LibreChat version 0.8.1-rc2 uses the same JWT secret for the user session mechanism and RAG API which compromises the service-level authentication of the RAG API.
Date: 2026-03
Affected: librechat/librechat
Attack vector: auth-bypass
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2025-41258
CVE-2026-33265
CWE: CWE-284
CWE-669
CVSS: 8 (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

LibreChat version 0.8.1-rc2 uses the same JWT secret for the user session mechanism and RAG API which compromises the service-level authentication of the RAG API.


Mitigations:

Architectural layers (MAESTRO):