Auth bypass in Berriai Litellm
CVE-2026-12799
A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this issue is the function ui_view_users of the file litellm/proxy/management_endpoints/internal_user_endpoints.py of the component Incomplete Fix CVE-2025-0628. Such manipulation leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Berriai Litellm — versions 1.82.0, 1.82.1, 1.82.2
- Litellm
Weakness classification (CWE)
References
- vuldb.com/vuln/372561 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/372561/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/cve/CVE-2026-12799 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/811291 (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- gist.github.com/YLChen-007/3ace22e33e468d0166fe609c9fdf4184 (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-12799?
- CVE-2026-12799 is a medium-severity vulnerability in Berriai Litellm, classified under Incorrect Privilege Assignment. CVSS score: 4.3/10. Published 2026-06-21.
- How severe is CVE-2026-12799?
- Medium severity. CVSS v3 base score is 4.3 out of 10.