cvedb.io
CVE-2026-12773
HIGH · CVSS 7.3
EPSS exploitation probability: 31%
Published 2026-06-21T04:16:28.230 · Last modified 2026-06-24T20:27:15.087

Summary

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.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.