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.
{
"cna_assigner": "VulDB",
"cwe_ids": [
"CWE-918"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12774.json",
"unresolved_ranges": [
{
"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"
}
],
"source": "AFFECTED_FIELD"
}
]
}{
"cpe": "cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.82.2"
}
],
"source": "CPE_RANGE"
}