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Vulnerability record · CVE-2026-12796 · published 21 June 2026

CVE-2026-12796: Litellm insufficient session expiration vulnerability

Litellm · Litellm

A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.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.

2.1 CVSS 4.0 Low EPSS 0.57% · top 54.5% CWE-613 · Insufficient session expiration
2.1CVSS 4.0 base score, v2 6.5
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
24 Jun 2026Last modified by NVD

Description

A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/YLChen-007/5fa8af12e1b183674d7ca96d852fb697 ExploitThird Party Advisory
https://vuldb.com/cve/CVE-2026-12796 Third Party AdvisoryVDB Entry
https://vuldb.com/submit/811287 Third Party AdvisoryExploitVDB Entry
https://vuldb.com/vuln/372558 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/372558/cti Permissions RequiredVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2026-12796), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.