Vulnerability Description
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 existing TOTP secret, generates new backup codes, and sets twoFactorEnabled to false — all without requiring any TOTP or backup code verification. An attacker with a valid session token can completely take over a victim's 2FA, locking the legitimate user out of their own two-factor authentication. This vulnerability is fixed in 0.8.4-rc1.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Librechat | Librechat | <= 0.8.3 |
Related Weaknesses (CWE)
References
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-45fp-6q26-wfgqExploitVendor Advisory
- https://github.com/danny-avila/LibreChat/security/advisories/GHSA-45fp-6q26-wfgqExploitVendor Advisory
FAQ
What is CVE-2026-54036?
CVE-2026-54036 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2026-54036?
CVE-2026-54036 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-54036?
Check the references section above for vendor advisories and patch information. Affected products include: Librechat Librechat.