6.5

CVE-2026-12796: berriai litellm Insufficient Session Expiration

CVSS: 6.5v2.0MediumAnalyzed
AliasesGHSA-w2mh-qq9q-453xPYSEC-2026-4076
Published 21-06-2026Last modified 22-06-2026
Open JSON

Vulnerability summary

CVE-2026-12796 is a medium (CVSS 6.5) Insufficient Session Expiration vulnerability in berriai litellm. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.1% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v2.0 (CVE.org)
EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference

Timeline

  1. 21-06-2026
    PublishedVulnerability first disclosed.
  2. 22-06-2026
    Last modifiedVulnerability information updated.

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 metrics

9 scores · 3 sources · 4 versions

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.57% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    5Fa8Af12E1B183674D7Ca96D852Fb697

    Maturity: poc

  • referenceUnverified

    Exploit Reference (vuldb.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Berriai1 product
Litellm1 product
PyPI1 product
  • litellm≤ 1.82.2

3 vendors · 3 products

References

9 links