Insufficient Session Expiration in BerriAI Litellm Affects SSO Authentication Flow
CVE-2026-12796

5.3MEDIUM

Key Information:

Vendor

Berriai

Status
Litellm
Vendor
CVE Published:
21 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12796?

A security vulnerability in BerriAI's Litellm, specifically within the SSO Authentication Flow managed by the get_redirect_response_from_openid function in the file litellm/proxy/management_endpoints/ui_sso.py, has been identified. This flaw allows for session expiration manipulation, posing a risk of unauthorized access through remote exploitation. The vulnerability affects all versions of Litellm up to 1.82.2 and has publicly available exploits. The vendor was informed of this issue prior to its disclosure, emphasizing the importance of prompt updates and mitigations.

Affected Version(s)

litellm 1.82.0

litellm 1.82.1

litellm 1.82.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-12796 - Proof of Concept

References

https://vuldb.com/vuln/372558
vdb-entrytechnical-description
https://vuldb.com/vuln/372558/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12796
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-c (VulDB User)
VulDB CNA Team
.