CVE-2026-12774

MEDIUM 6.3

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

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	berriai
Product	litellm
Published	Jun 21, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

BerriAI / litellm

1.82.0 1.82.1 1.82.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/372516 vuldb.com: https://vuldb.com/vuln/372516/cti vuldb.com: https://vuldb.com/cve/CVE-2026-12774 vuldb.com: https://vuldb.com/submit/811285 gist.github.com: https://gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981

Credits

🔍 Eric-c (VulDB User) VulDB CNA Team