Medium 6.3Published Jun 20, 2026

CVE-2026-12774BerriAI litellm MCP Server Connection Testing rest_endpoints.py _execute_with_mcp_client server-side request forgery

Updated under an hour ago (Oct 27, 2026, 3:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for BerriAI litellm

Exploited in the last 30 days

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: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Jun 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

BerriAI litellm litellm:litellm	1.82.0; 1.82.1; 1.82.2	CNA record
litellm litellm litellm:litellm	through 1.82.2	NVD

References

References

https://vuldb.com/vuln/372516	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/372516/cti	signature, permissions-required, vdb-entry
https://vuldb.com/cve/CVE-2026-12774	third-party-advisory, vdb-entry
https://vuldb.com/submit/811285	third-party-advisory, exploit, vdb-entry
https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981	exploit, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.