by Kastro
Paper/Archive/CVE-2026-33265

CVE-2026-33265

LibreChat LibreChat — In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.

EPSS 0.2%public exploitCVSS 9.0
critical.is priorityof 100
40
CVSS 9.0 (NVD)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 15.6.156 × 203.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API.

Affected

ProductAffectedFixed inSource
LibreChat0.8.1-rc2–CNA

Scores by source

NVD9.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
mitre (CNA)6.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

refgithub.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypassrefopenwall.com/lists/oss-security/2026/03/18/3