CVE-2026-12773 | BDVDB-2026-341892 Detail
BerriAIlitellm
Description#
A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.
Weaknesses#
References#
- https://vuldb.com/vuln/372515
- https://vuldb.com/vuln/372515/cti
- https://vuldb.com/cve/CVE-2026-12773
- https://vuldb.com/submit/811282
- https://gist.github.com/YLChen-007/3cfaad10a69d7a15e4d4d458cb53309e
- https://access.redhat.com/security/cve/CVE-2026-12773
- https://bugzilla.redhat.com/show_bug.cgi?id=2491112
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12773.json
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.