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Vulnerability record · CVE-2026-12774 · published 21 June 2026

CVE-2026-12774: Litellm server-side request forgery (ssrf) vulnerability

Litellm · 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.

2.1 CVSS 4.0 Low EPSS 0.40% · top 67.9% CWE-918 · Server-side request forgery (SSRF)
2.1CVSS 4.0 base score, v2 6.5
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
24 Jun 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981 ExploitThird Party Advisory
https://vuldb.com/cve/CVE-2026-12774 Third Party AdvisoryVDB Entry
https://vuldb.com/submit/811285 Third Party AdvisoryExploitVDB Entry
https://vuldb.com/vuln/372516 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/372516/cti Permissions RequiredVDB Entry

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-12774), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.