CVE-2026-54040

Summary of the CVE-2026-54040 (LibreChat) : The vulnerability affects LibreChat builds prior to 0.8.4-rc1, in the 2FA flow. The POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker who has...

CVE-2026-54040 LibreChat: 2FA Backup Code Regeneration Without OTP Verification Allows 2FA Bypass

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54036 LibreChat: 2FA Re-enrollment Allows Full Account 2FA Takeover Without OTP Verification

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-54036

LibreChat (enhanced ChatGPT clone) has a vulnerability prior to version 0.8.4-rc1 where an authenticated user or a session thief can call GET /api/auth/2fa/enable even when 2FA is already enabled. This overwrites the existing TOTP secret, regenerates backup codes, and sets twoFactorEnabled to fal...

CVE-2026-56338

Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors...

CVE-2026-56256

Capgo before 12.128.2 enforces mandatory two-factor authentication only at the UI level. Sensitive Organization ORG management API endpoints e.g., editing organization details, inviting users do not validate 2FA completion on the backend. An authenticated Admin user who has not enabled 2FA can...

EUVD-2026-38752

Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors...

CVE-2026-56338

Capgo prior to version 12.128.2 contains a denial-of-service flaw in the /auth/v1/otp endpoint used for 2FA email verification. The issue arises from captcha validation failures causing the backend to return HTTP 500 errors, preventing authenticated users from completing 2FA enrollment and access...

CVE-2026-56338 Capgo - Denial of Service in 2FA Email Verification via /auth/v1/otp Endpoint

Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors...

EUVD-2026-38743

Capgo before 12.128.2 enforces mandatory two-factor authentication only at the UI level. Sensitive Organization ORG management API endpoints e.g., editing organization details, inviting users do not validate 2FA completion on the backend. An authenticated Admin user who has not enabled 2FA can...

CVE-2026-56256

CVE-2026-56256 affects Capgo prior to 12.128.2, where 2FA is enforced only at the UI level. The backend ORG management API endpoints (e.g., editing organization details, inviting users) do not require 2FA, allowing an authenticated admin without 2FA to replay/modify a captured ORG API request to ...

CVE-2026-56256 Capgo - Two-Factor Authentication Bypass via Organization Management API

Capgo before 12.128.2 enforces mandatory two-factor authentication only at the UI level. Sensitive Organization ORG management API endpoints e.g., editing organization details, inviting users do not validate 2FA completion on the backend. An authenticated Admin user who has not enabled 2FA can...

PT-2026-51620

Name of the Vulnerable Software and Affected Versions Snipe-IT versions prior to 8.5.0 Description A missing authorization issue allows a user with permissions to edit other users to reset the two-factor authentication 2FA of a superadmin. Recommendations Update to version 8.5.0...

CVE-2026-56450

AIL did not restrict repeated failed attempts to verify a two-factor authentication OTP code. An attacker who had reached the 2FA verification step, such as after successfully completing the password-authentication stage, could submit an unlimited number of OTP guesses. This could enable...

CVE-2026-56450

CVE-2026-56450 relates to the AIL Framework where the OTP (2FA) verification lacked rate-limiting, allowing unlimited OTP attempts after reaching the 2FA step. Root cause: no per-user throttling on failed OTPs. Impact: potential brute-force of OTPs enabling unauthorized access. The patch adds per...

EUVD-2026-38239

AIL did not restrict repeated failed attempts to verify a two-factor authentication OTP code. An attacker who had reached the 2FA verification step, such as after successfully completing the password-authentication stage, could submit an unlimited number of OTP guesses. This could enable...

CVE-2026-56212

Capgo before 12.128.2 contains an authentication logic flaw: a user with permission to manage team or organization security settings can enable mandatory two-factor authentication for all team members without first enabling 2FA on their own account. The application fails to verify the initiator's...

EUVD-2026-38092

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

CVE-2026-56212 Capgo - Improper 2FA Enforcement Logic via Team Security Settings

Capgo before 12.128.2 contains an authentication logic flaw: a user with permission to manage team or organization security settings can enable mandatory two-factor authentication for all team members without first enabling 2FA on their own account. The application fails to verify the initiator's...

CVE-2026-56212

Capgo has a authentication logic flaw where a user who can manage team/organization security settings can enable mandatory 2FA for all members without validating their own 2FA status. This may lead to inconsistent security enforcement, administrative misuse, and potential lockout risk for team me...