CVE-2026-33265 json
In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.
published 2026-03-18 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-12813
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% 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
- openwall.com https://www.openwall.com/lists/oss-security/2026/03/18/3 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |
| NVD | 3.1 | 9.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
- LibreChat LibreChat
Classification
- Weakness
-
- CWE-669 Incorrect Resource Transfer Between Spheres
References
-
github.com
/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass
exploit, third-party-advisory
-
openwall.com
/lists/oss-security/2026/03/18/3
exploit, mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-33265
- NVD CVE-2026-33265
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