Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Litellm | Litellm | <= 1.82.2 |
Related Weaknesses (CWE)
References
- https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981ExploitThird Party Advisory
- https://vuldb.com/cve/CVE-2026-12774Third Party AdvisoryVDB Entry
- https://vuldb.com/submit/811285Third Party AdvisoryExploitVDB Entry
- https://vuldb.com/vuln/372516Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/372516/ctiPermissions RequiredVDB Entry
FAQ
What is CVE-2026-12774?
CVE-2026-12774 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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/r...
How severe is CVE-2026-12774?
CVE-2026-12774 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-12774?
Check the references section above for vendor advisories and patch information. Affected products include: Litellm Litellm.