CVE-2025-41258 json
LibreChat RAG API Authentication Bypass
published 2026-03-18 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-208825
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- danny-avila LibreChat
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass
third-party-advisory, exploit
-
github.com
/danny-avila/LibreChat
product
Sources
- CVE List CVE-2025-41258
- NVD CVE-2025-41258
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.