Bug 2491113 (CVE-2026-12774)

Summary:	CVE-2026-12774 litellm: BerriAI litellm: Server-Side Request Forgery in MCP Server Connection Testing
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dschmidt, erezende, ilpinto, jkoehler, jlanda, jwong, kshier, lphiri, ltomasbo, omaciel, simaishi, smcdonal, stcannon, teagle, ttakamiy, yguenane, ykashtan
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in BerriAI litellm. A remote attacker could exploit a Server-Side Request Forgery (SSRF) vulnerability in the MCP Server Connection Testing component. This flaw, specifically within the _execute_with_mcp_client function, allows an attacker to trick the server into making unauthorized requests to internal or external resources, potentially leading to information disclosure or access to restricted services.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2026-06-21 04:01:16 UTC

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.