Auth bypass in Berriai Litellm
CVE-2026-12770
A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file litellm/proxy/management_endpoints/key_management_endpoints.py of the component Admin Key Handler. This manipulation causes improper authorization. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 23781. It is recommended to apply a patch to fix this issue. The vendor was contacted early about this disclosure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (44.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Berriai Litellm — versions 1.63.0, 1.63.1
- Litellm
Weakness classification (CWE)
References
- vuldb.com/vuln/372512 (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/372512/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/cve/CVE-2026-12770 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/811279 (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- gist.github.com/YLChen-007/993c68152b2c770d53590f1684c755d4 (Exploit, Third Party Advisory, exploit)
- github.com/BerriAI/litellm/pull/23781 (issue-tracking, Patch, patch, Issue Tracking)
- github.com/BerriAI/litellm/ (Product, product)
Frequently asked questions
- What is CVE-2026-12770?
- CVE-2026-12770 is a medium-severity vulnerability in Berriai Litellm, classified under Incorrect Privilege Assignment. CVSS score: 5.4/10. Published 2026-06-21.
- How severe is CVE-2026-12770?
- Medium severity. CVSS v3 base score is 5.4 out of 10.