| Titre | mauriceboe TREK <= 3.0.22 Improper Authentication |
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| Description | MFA bypass via JWT purpose confusion in TREK <= 3.0.22. The authentication system issues a purpose-scoped JWT (mfa_token) after password verification but before TOTP completion. The session verifier does not validate the "purpose" claim, allowing attackers to use this pre-2FA token as a full session token on any authenticated endpoint. An attacker possessing only the victim's password can obtain the mfa_token from POST /api/auth/login and use it as a bearer token to access all protected endpoints and MCP functionality without providing valid TOTP or backup codes. This completely circumvents the second authentication factor. CVSS 9.6 (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N). CWE-287, CWE-345. Fixed in 3.1.0. |
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| La source | ⚠️ https://github.com/mauriceboe/TREK/security/advisories/GHSA-mjh4-w6fq-54qm |
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| Utilisateur | ByteJMP (UID 99294) |
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| Soumission | 12/07/2026 06:36 (il y a 1 mois) |
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| Modérer | 25/08/2026 08:01 (1 month later) |
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| Statut | Accepté |
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| Entrée VulDB | 394939 [liketrek TREK jusqu’à 3.0.22 Pre-2FA mfa_token authService.ts loginUser authentification faible] |
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| Points | 20 |
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