Common Weakness Enumeration
CWE-306
AllowedMissing Authentication for Critical Function
Abstraction: Base · Status: Draft
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
3436 vulnerabilities reference this CWE, most recent first.
GCVE-1337-2026-000000000… (CVE-2026-7415)
Vulnerability from gna-1337 – Published: 2026-05-07 16:11 – Updated: 2026-05-07 17:04
VLAI
EPSS
VEX
Title
Open MQTT orchestration without read/write ACLs in Yarbo robot firmware
Summary
The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization of any kind.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing authentication for critical function
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Bin4ry/yarbo-nat-in-my-back-yard | third-party-advisory |
| https://takeonme.org/gcves/GCVE-1337-2026-0000000… | third-party-advisory |
Date Public
2026-05-07 16:00
Credits
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CVE-2026-62327 (GCVE-0-2026-62327)
Vulnerability from cvelistv5 – Published: 2026-07-13 21:37 – Updated: 2026-07-14 14:30 X_Open Source
VLAI
EPSS
VEX
Title
9Router 0.4.41 - Unauthenticated API Key Exposure via /api/usage/stats
Summary
9Router through version 0.4.41 contains an unauthenticated information disclosure vulnerability that allows remote attackers to retrieve plaintext API keys for all connected AI provider accounts by sending a single unauthenticated request to the /api/usage/stats endpoint. Attackers can exploit the missing authentication middleware on the Next.js API route to obtain full API key strings alongside token counts, cost breakdowns, and request metadata, enabling unauthorized use of connected AI provider accounts, billing fraud, and quota exhaustion.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/decolua/9router/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/9router-unau… | third-party-advisory |
Date Public
2026-06-13 00:00
Credits
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CVE-2026-61344 (GCVE-0-2026-61344)
Vulnerability from cvelistv5 – Published: 2026-07-09 17:46 – Updated: 2026-07-09 17:46
VLAI
EPSS
VEX
Title
Superior Court of California Hearing Reminder Service unauthenticated information disclosure
Summary
The Superior Court of California Hearing Reminder Service at https://www.hrs.courts.ca.gov exposes an API endpoint that returns court reminder records containing potentially sensitive information without authentication.
Severity
5.3 (Medium)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.hrs.courts.ca.gov | product |
| https://raw.githubusercontent.com/cisagov/CSAF/de… | third-party-advisory |
| https://www.cve.org/CVERecord?id=CVE-2026-61344 | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Superior Court of California, County of Los Angeles | Hearing Reminder Service |
Affected:
0 , < 2026-04-28
(custom)
Unaffected: 2026-04-28 |
Date Public
2026-07-09 00:00
Credits
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CVE-2026-59822 (GCVE-0-2026-59822)
Vulnerability from cvelistv5 – Published: 2026-07-08 19:32 – Updated: 2026-07-09 14:31
VLAI
EPSS
VEX
Title
LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback
Summary
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough fallback path that replaced failed LiteLLM key validation with an empty UserAPIKeyAuth() object, allowing requests to reach MCP tooling without a valid LiteLLM key. This issue is fixed in version 1.84.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/BerriAI/litellm/security/advis… | x_refsource_CONFIRM |
| https://github.com/BerriAI/litellm/pull/26463 | x_refsource_MISC |
| https://github.com/BerriAI/litellm/commit/73869f0… | x_refsource_MISC |
| https://github.com/BerriAI/litellm/releases/tag/v1.84.0 | x_refsource_MISC |
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CVE-2026-59804 (GCVE-0-2026-59804)
Vulnerability from cvelistv5 – Published: 2026-07-08 19:42 – Updated: 2026-07-09 14:02 X_Open Source
VLAI
EPSS
VEX
Title
Midscene Bridge Server - Session Hijack via Unauthenticated WebSocket
Summary
Midscene Bridge Server through 1.10.3, fixed in commit 86f4118, contains a missing authentication and CORS misconfiguration vulnerability that allows unauthenticated remote attackers to hijack active bridge sessions by opening a cross-origin WebSocket connection to the local Socket.IO server, which performs no Origin header validation and requires no authentication token. Attackers can connect from any web page visited by the victim to seize the single-client slot, intercept and inject automation commands, exfiltrate command-payload data, or unconditionally terminate the server by supplying the MIDSCENE_BRIDGE_SIGNAL_KILL query parameter.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/web-infra-dev/midscene/issues/2752 | technical-descriptionexploit |
| https://github.com/web-infra-dev/midscene/pull/2759 | issue-tracking |
| https://github.com/web-infra-dev/midscene/commit/… | patch |
| https://www.vulncheck.com/advisories/midscene-bri… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| web-infra-dev | midscene |
Affected:
0 , ≤ 1.10.3
(semver)
Unaffected: 86f4118d1d847041c63d79e347e08c87c3f1a882 (git) |
Date Public
2026-07-05 00:00
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CVE-2026-59801 (GCVE-0-2026-59801)
Vulnerability from cvelistv5 – Published: 2026-07-13 21:30 – Updated: 2026-07-14 13:00 X_Open Source
VLAI
EPSS
VEX
Title
9Router 0.4.41 - Unauthenticated API Exposure via /api/providers
Summary
9Router through version 0.4.41 contains an unauthenticated access vulnerability that allows remote attackers to interact with provider management API endpoints by sending requests without any credentials due to missing authentication middleware in the Next.js API routes under src/app/api/providers/*. Attackers can enumerate, create, modify, or delete provider connections to expose partial credentials, OAuth tokens, and API keys, redirect AI traffic to attacker-controlled servers, or cause complete denial of service by deleting all provider connections.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/decolua/9router/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/9router-unau… | third-party-advisory |
Date Public
2026-06-13 00:00
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CVE-2026-59726 (GCVE-0-2026-59726)
Vulnerability from cvelistv5 – Published: 2026-07-09 17:31 – Updated: 2026-07-09 18:43
VLAI
EPSS
VEX
Title
Ruflo: Unauthenticated RCE in MCP bridge default docker-compose deployment
Summary
Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment exposed the MCP bridge POST /mcp and POST /mcp/:group endpoints without authentication, allowing an unauthenticated network attacker to invoke tools/call to terminal_execute, obtain a shell in the bridge container, read provider API keys, and poison AgentDB learning-store patterns. This issue is fixed in version 3.16.3.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/ruvnet/ruflo/security/advisori… | x_refsource_CONFIRM |
| https://github.com/ruvnet/ruflo/pull/2521 | x_refsource_MISC |
| https://github.com/ruvnet/ruflo/commit/d00a0a40cd… | x_refsource_MISC |
| https://github.com/ruvnet/ruflo/releases/tag/v3.16.3 | x_refsource_MISC |
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CVE-2026-59715 (GCVE-0-2026-59715)
Vulnerability from cvelistv5 – Published: 2026-07-09 16:16 – Updated: 2026-07-09 17:29
VLAI
EPSS
VEX
Title
Open WebUI: Unauthenticated WebSocket Access to Collaborative Document Handlers (ydoc:awareness:update, ydoc:document:leave)
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.6.16 before 0.10.0, the Socket.IO server is configured with always_connect=True. The ydoc:awareness:update and ydoc:document:leave Socket.IO handlers accepted collaborative-document events without requiring an authenticated user, allowing unauthorized manipulation of document collaboration state. This issue is fixed in version 0.10.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/open-webui/open-webui/security… | x_refsource_CONFIRM |
| https://github.com/open-webui/open-webui/pull/25946 | x_refsource_MISC |
| https://github.com/open-webui/open-webui/commit/2… | x_refsource_MISC |
| https://github.com/open-webui/open-webui/releases… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-webui | open-webui |
Affected:
>= 0.6.16, < 0.10.0
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CVE-2026-59706 (GCVE-0-2026-59706)
Vulnerability from cvelistv5 – Published: 2026-07-07 21:02 – Updated: 2026-07-09 18:42
VLAI
EPSS
VEX
Title
mem0 - Unauthenticated Config API Exposure and SSRF via ollama_base_url
Summary
mem0 contains unauthenticated config API endpoints that expose LLM API keys in plaintext and allow server-side request forgery via attacker-controlled ollama_base_url parameter. Unauthenticated attackers can retrieve stored secrets like OpenAI API keys via GET /api/v1/config/ or trigger SSRF attacks by setting ollama_base_url to internal addresses like cloud IMDS via PUT /api/v1/config/mem0/llm endpoint.
Severity
9.3 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mem0ai/mem0/issues/6081 | issue-tracking |
| https://github.com/mem0ai/mem0 | product |
| https://github.com/mem0ai/mem0/commit/a3154d59e52… | patch |
| https://www.vulncheck.com/advisories/mem0-server-… | third-party-advisory |
Date Public
2026-07-03 00:00
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CVE-2026-59705 (GCVE-0-2026-59705)
Vulnerability from cvelistv5 – Published: 2026-07-07 22:11 – Updated: 2026-07-08 13:09
VLAI
EPSS
VEX
Title
mem0 - OpenMemory API Unauthenticated Access via Memory Endpoints
Summary
mem0's openmemory/api component contains an unauthenticated access vulnerability that allows unauthenticated attackers to read, write, and delete arbitrary user memories by accessing API routers registered without authentication middleware. Attackers can supply arbitrary user_id parameters or directly access memory retrieval endpoints to expose private memory content, or invoke pause endpoints with global_pause=true to cause denial-of-service across all users.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mem0ai/mem0/issues/6080 | issue-tracking |
| https://github.com/mem0ai/mem0 | product |
| https://github.com/mem0ai/mem0/commit/a3154d59e52… | patch |
| https://www.vulncheck.com/advisories/mem0-openmem… | third-party-advisory |
Date Public
2026-07-03 00:00
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Mitigation
Architecture and Design
- Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
- Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
- In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Architecture and Design
- Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
- In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation
System Configuration
Operation
When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier
This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.
CAPEC-166: Force the System to Reset Values
An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.
CAPEC-216: Communication Channel Manipulation
An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.
CAPEC-36: Using Unpublished Interfaces or Functionality
An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.
CAPEC-62: Cross Site Request Forgery
An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.