| Component | LibreChat |
| Severity | high (CVSS 8) |
| CVSS vector | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Published (NVD) | 2026-03-18 |
| Last modified | 2026-06-17 |
| Affected versions | librechat = 0.8.1 |
| Fixed in | see the vendor advisory |
| Weakness | CWE-284 |
| CISA KEV | not listed |
NVD description
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.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep LibreChat off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2025-41258
- https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass
- https://github.com/danny-avila/LibreChat
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