A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function getredirectresponsefromopenid of the file litellm/proxy/managementendpoints/uisso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might 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-2026-12796.json",
"cwe_ids": [
"CWE-613"
],
"cna_assigner": "VulDB"
}{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.82.2"
}
]
}