CVE-2026-54036

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 v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/danny-avila/LibreChat/security/advisories/GHSA-45fp-6q26-wfgq	Exploit Vendor Advisory
https://github.com/danny-avila/LibreChat/security/advisories/GHSA-45fp-6q26-wfgq	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:librechat:librechat:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-25 16:16

Updated : 2026-06-26 19:02

NVD link : CVE-2026-54036

Mitre link : CVE-2026-54036

CVE.ORG link : CVE-2026-54036

JSON object : View

Products Affected

librechat

librechat

CWE

CWE-306

Missing Authentication for Critical Function

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