CVE-2026-12774

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.

• CWE-918

• https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981Exploit, Third Party Advisory
• https://vuldb.com/cve/CVE-2026-12774Third Party Advisory, VDB Entry
• https://vuldb.com/submit/811285Third Party Advisory, Exploit, VDB Entry
• https://vuldb.com/vuln/372516Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/372516/ctiPermissions Required, VDB Entry

Published

Jun 21, 2026

Last Modified

Jun 24, 2026

Status

Analyzed

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