CVE-2026-12774

BerriAI litellm

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function _execute_with_mcp_client of the file litellm/proxy/_experimental/mcp_server/rest_endpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness

• CWE-918 Server-side request forgery

References

• gist.github.comExploitThird Party Advisory
• vuldb.comThird Party Advisory
• vuldb.comThird Party AdvisoryExploit
• vuldb.comThird Party Advisory
• vuldb.com

CVE-2026-12774 on NVD

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