Vulnerability in Librechat
CVE-2026-33265
In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (15.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Librechat — versions 0.8.1-rc2, 0.8.1
Weakness classification (CWE)
References
- github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreCha… (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2026/03/18/3 (Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-33265?
- CVE-2026-33265 is a medium-severity vulnerability in Librechat, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 6.3/10. Published 2026-03-18.
- How severe is CVE-2026-33265?
- Medium severity. CVSS v3 base score is 6.3 out of 10.