A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/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.
{
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"introduced": "1.82.0"
},
{
"last_affected": "1.82.0"
},
{
"introduced": "1.82.1"
},
{
"last_affected": "1.82.1"
},
{
"introduced": "1.82.2"
},
{
"last_affected": "1.82.2"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12774.json",
"cna_assigner": "VulDB",
"cwe_ids": [
"CWE-918"
]
}{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.82.2"
}
]
}