---
id: CVE-2026-12796
aliases:
  - GHSA-w2mh-qq9q-453x
title: 'BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens'
summary: 'BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens'
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
vendor: litellm
product: litellm
ecosystem: pip
affected:
  - litellm <= 1.82.2
published: '2026-06-21'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T18:15:04.923184693Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-w2mh-qq9q-453x'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12796'
  - url: 'https://gist.github.com/YLChen-007/5fa8af12e1b183674d7ca96d852fb697'
  - url: 'https://github.com/BerriAI/litellm'
  - url: 'https://vuldb.com/cve/CVE-2026-12796'
  - url: 'https://vuldb.com/submit/811287'
  - url: 'https://vuldb.com/vuln/372558'
  - url: 'https://vuldb.com/vuln/372558/cti'
  - url: 'https://github.com/advisories/GHSA-w2mh-qq9q-453x'
tags:
  - osv
  - pip
  - ghsa
epss: 0.0057
epssPercentile: 0.44823
cwe:
  - CWE-613
ingestedAt: '2026-09-14T18:12:17.166Z'
---

## Overview

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.

## Affected packages

- `litellm <= 1.82.2`

## Remediation

Refer to the advisory for the patched release.