Auth bypass in Berriai Litellm
CVE-2026-12771
A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The a…
EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Berriai Litellm — versions 1.82.0, 1.82.1, 1.82.2
- Litellm
Weakness classification (CWE)
References
- cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-12771?
- CVE-2026-12771 is a medium-severity vulnerability in Berriai Litellm, classified under Incorrect Privilege Assignment. CVSS score: 5.0/10. Published 2026-06-21.
- How severe is CVE-2026-12771?
- Medium severity. CVSS v3 base score is 5.0 out of 10.