SSRF in Berriai Litellm
CVE-2026-12774
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (31.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Berriai Litellm — versions 1.82.0, 1.82.1, 1.82.2
- Litellm
Weakness classification (CWE)
References
- vuldb.com/vuln/372516 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/372516/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/cve/CVE-2026-12774 (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/submit/811285 (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- gist.github.com/YLChen-007/256c8ff0750e298f89b6b287c90c2981 (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-12774?
- CVE-2026-12774 is a medium-severity vulnerability in Berriai Litellm, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-06-21.
- How severe is CVE-2026-12774?
- Medium severity. CVSS v3 base score is 6.3 out of 10.