Common Weakness Enumeration

CWE-290

Allowed

Authentication Bypass by Spoofing

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

997 vulnerabilities reference this CWE, most recent first.

CVE-2026-73840 (GCVE-0-2026-73840)

Vulnerability from cvelistv5 – Published: 2026-08-13 21:52 – Updated: 2026-08-14 16:26
VLAI
Title
OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)
Summary
OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhook_handler.go selected a webhook provider from caller-controlled X-Event-Key, accepted Bitbucket requests without HMAC-SHA256 in X-Hub-Signature or a configured bitbucket-secret, and allowed unauthenticated build triggers for components matched by repository URL and branch, including cross-provider triggers using attacker-supplied commit SHAs. This issue is fixed in versions 1.0.3, 1.1.3, and 1.2.0-rc.2.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 16:25 UTC
CWE
  • CWE-287 - Improper Authentication
  • CWE-290 - Authentication Bypass by Spoofing
  • CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
Impacted products
Vendor Product Version
openchoreo openchoreo Affected: < 1.0.3
Affected: >= 1.1.0, < 1.1.3
Affected: >= 1.2.0-rc.1, < 1.2.0-rc.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-72816 (GCVE-0-2026-72816)

Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-14 15:22
VLAI
Title
go-chi chi before 5.3.0 IP Spoofing via RealIP Middleware
Summary
go-chi/chi through 5.2.1 contains an IP spoofing vulnerability in the RealIP middleware (middleware/realip.go). The realIP() function reads client-controlled headers (True-Client-IP, X-Real-IP, and X-Forwarded-For) and overwrites r.RemoteAddr without verifying that the request originated from a trusted proxy. Attackers can supply arbitrary IP addresses in these headers to bypass IP-based access controls, evade rate limiting and geo-IP restrictions, and pollute audit logs. Fixed in 5.3.0.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 15:21 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
go-chi chi Affected: 0 , < 5.3.0 (semver)
Unaffected: 5.3.0 (semver)
Create a notification for this product.
Date Public
2026-05-22 00:00
Credits
rezmoss
Show details on NVD website
To clipboard 

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CVE-2026-72815 (GCVE-0-2026-72815)

Vulnerability from cvelistv5 – Published: 2026-08-14 11:35 – Updated: 2026-08-14 11:35
VLAI
Title
go-chi chi v5.2.1 IP Spoofing via X-Forwarded-For Header
Summary
go-chi chi versions >= 5.2.1 and before 5.3.0 contain an IP spoofing vulnerability in the RealIP middleware, which blindly trusts the first (leftmost) value of the X-Forwarded-For HTTP header. A remote attacker can bypass IP-based access control lists and rate-limiting mechanisms, and forge log entries, by supplying a spoofed IP address in the X-Forwarded-For header. The issue is fixed in version 5.3.0.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
go-chi chi Affected: 5.2.1 , < 5.3.0 (semver)
Unaffected: 5.3.0 (semver)
Create a notification for this product.
Date Public
2026-05-22 00:00
Credits
Saku0512
Show details on NVD website
To clipboard 

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CVE-2026-72809 (GCVE-0-2026-72809)

Vulnerability from cvelistv5 – Published: 2026-08-12 19:07 – Updated: 2026-08-14 22:07
VLAI
Title
SiYuan before v3.7.4 Authentication Bypass via Localhost Trust
Summary
SiYuan versions <= v3.7.2 (patched in v3.7.4) contain an authentication bypass vulnerability in the kernel's CheckAuth function, which grants the administrator role (RoleAdministrator) to any request whose RemoteAddr is loopback (127.0.0.1) for a specific set of endpoints (including /api/system/exit, getNetwork, getWorkspaceInfo, /assets/*, and /export/*). These localhost bypasses sit outside the access auth code gate, so they apply even when an access auth code is configured. Because the fixed-port reverse proxy forwards requests to the kernel over loopback without injecting an authentication token and does not configure trusted proxies, a request forwarded through this proxy reaches the kernel with RemoteAddr = 127.0.0.1. If the fixed-port proxy is bound to a network interface, this could allow a remote unauthenticated attacker to obtain admin access on the affected endpoints; however, per the advisory this remote forwarding behavior was established only by code inspection and was not reproduced end-to-end.
Severity
7.1 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N
8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 22:06 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
siyuan-note siyuan Affected: 0 , < 3.7.4 (semver)
Unaffected: 3.7.4 (semver)
Create a notification for this product.
Date Public
2026-07-23 00:00
Credits
Shirshakhtml
Show details on NVD website
To clipboard 

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CVE-2026-67558 (GCVE-0-2026-67558)

Vulnerability from cvelistv5 – Published: 2026-08-11 21:27 – Updated: 2026-08-12 15:19
VLAI
Title
Mira Hormone Monitor, Mira Android App Authentication bypass by spoofing
Summary
The Mira Android companion app v4.5.15.4 identifies the paired Mira hormone analyzer by performing a substring match against the BLE advertisement name only, with no cryptographic peripheral authentication, MAC allowlist, or bonded-identity check. An attacker could capture live session token information and inject forged hormone measurements into the victim's cloud record and clinical trend view.
Severity
8.2 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
7.4 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 15:19 UTC
CWE
Assigner
References
Impacted products
Date Public
2026-08-11 17:00
Credits
Gigi Xiaoqing Liu, Muzzammil Mohammed, Narmina Karimova, and En Mong of Northeastern University SPQR Lab reported this vulnerability to Quanovate Tech.
Show details on NVD website
To clipboard 

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CVE-2026-65570 (GCVE-0-2026-65570)

Vulnerability from cvelistv5 – Published: 2026-08-06 14:27 – Updated: 2026-08-06 19:19
VLAI
Title
WordPress Login with phone number plugin <= 1.8.70 - Bypass vulnerability vulnerability
Summary
Unauthenticated Bypass Vulnerability in Login with phone number <= 1.8.70 versions.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 19:19 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
Hamid Alinia Login with phone number Affected: n/a , ≤ 1.8.70 (custom)
Create a notification for this product.
Credits
she11f | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-65502 (GCVE-0-2026-65502)

Vulnerability from cvelistv5 – Published: 2026-08-06 14:27 – Updated: 2026-08-06 15:36
VLAI
Title
WordPress Element Pack Elementor Addons plugin <= 8.7.13 - Captcha Bypass vulnerability
Summary
Unauthenticated Bypass Vulnerability in Element Pack Elementor Addons <= 8.7.13 versions.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 15:30 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
bdthemes Element Pack Elementor Addons Affected: n/a , ≤ 8.7.13 (custom)
Create a notification for this product.
Credits
johska | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-64875 (GCVE-0-2026-64875)

Vulnerability from cvelistv5 – Published: 2026-07-23 09:13 – Updated: 2026-07-27 13:32
VLAI
Title
Joomla Extension - regularlabs.com - IP spoofing vulnerability in GeoIP extension
Summary
Joomla Extension - regularlabs.com - IP spoofing vulnerability in GeoIP extension - GeoIP lookups trusted spoofable forwarded client-IP headers, this could cause GeoIP-rule bypass.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 13:26 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
URL Tags
https://regularlabs.com/ product
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-64797 (GCVE-0-2026-64797)

Vulnerability from cvelistv5 – Published: 2026-07-22 20:44 – Updated: 2026-07-29 05:39
VLAI
Title
Joomla Extension - regularlabs.com - IP spoofing vulnerability in IP login extension
Summary
Joomla Extension - regularlabs.com - IP spoofing vulnerability in IP login extension - IP Login trusted forwarded client-IP headers without requiring a configured trusted proxy. Attackers could spoof the IP used for automatic login and potentially impersonate mapped accounts.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 14:07 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
URL Tags
https://regularlabs.com/ product
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-64665 (GCVE-0-2026-64665)

Vulnerability from cvelistv5 – Published: 2026-08-06 19:25 – Updated: 2026-08-07 17:09
VLAI
Title
Statamic: Account takeover via OAuth email matching without email-verification check
Summary
Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.74.1 and 6.24.0, when OAuth login was enabled with a provider that does not guarantee verified email addresses, an unauthenticated attacker could sign in as an existing user, potentially including a super admin, without knowing that user's password, because the application matched OAuth identities to accounts by email address alone. Exploitation requires OAuth to be explicitly enabled with such a provider. This issue is fixed in versions 5.74.1 and 6.24.0.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-07 15:26 UTC
CWE
  • CWE-287 - Improper Authentication
  • CWE-290 - Authentication Bypass by Spoofing
Assigner
References
Impacted products
Vendor Product Version
statamic cms Affected: < 5.74.1
Affected: >= 6.0.0, < 6.24.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-21: Exploitation of Trusted Identifiers

An adversary guesses, obtains, or "rides" a trusted identifier (e.g. session ID, resource ID, cookie, etc.) to perform authorized actions under the guise of an authenticated user or service.

CAPEC-22: Exploiting Trust in Client

An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.

CAPEC-459: Creating a Rogue Certification Authority Certificate

An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.

CAPEC-461: Web Services API Signature Forgery Leveraging Hash Function Extension Weakness

An adversary utilizes a hash function extension/padding weakness, to modify the parameters passed to the web service requesting authentication by generating their own call in order to generate a legitimate signature hash (as described in the notes), without knowledge of the secret token sometimes provided by the web service.

CAPEC-473: Signature Spoof

An attacker generates a message or datablock that causes the recipient to believe that the message or datablock was generated and cryptographically signed by an authoritative or reputable source, misleading a victim or victim operating system into performing malicious actions.

CAPEC-476: Signature Spoofing by Misrepresentation

An attacker exploits a weakness in the parsing or display code of the recipient software to generate a data blob containing a supposedly valid signature, but the signer's identity is falsely represented, which can lead to the attacker manipulating the recipient software or its victim user to perform compromising actions.

CAPEC-59: Session Credential Falsification through Prediction

This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.

CAPEC-60: Reusing Session IDs (aka Session Replay)

This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.

CAPEC-667: Bluetooth Impersonation AttackS (BIAS)

An adversary disguises the MAC address of their Bluetooth enabled device to one for which there exists an active and trusted connection and authenticates successfully. The adversary can then perform malicious actions on the target Bluetooth device depending on the target’s capabilities.

CAPEC-94: Adversary in the Middle (AiTM)

An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.

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