PT-2026-51198 · Berriai · Litellm

Eric-C · Published 2026-06-21 · Updated 2026-06-21 · CVE-2026-12774

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions BerriAI litellm versions prior to 1.82.3

Description An issue in the MCP Server Connection Testing component allows for server-side request forgery (SSRF), which is a flaw that enables an attacker to induce the server-side application to make requests to an unintended location. This occurs within the execute with mcp client() function located in the litellm/proxy/ experimental/mcp server/rest endpoints.py file. Remote exploitation of this flaw is possible.

Recommendations Update to version 1.82.3 or later. As a temporary workaround, restrict access to the execute with mcp client() function until the update is applied.

Exploit

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-12774

Affected Products

Litellm

References · 7

• 🔥 https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-12774 · Security Note
• https://vuldb.com/vuln/372516 · Note
• https://twitter.com/VulmonFeeds/status/2068554617978245495 · Twitter Post
• https://vuldb.com/vuln/372516/cti · Note
• https://vuldb.com/submit/811285 · Note
• https://vuldb.com/cve/CVE-2026-12774 · Note