Improper Authorization in BerriAI litellm Affected by Incomplete Fix
CVE-2026-12799

5.3MEDIUM

Key Information:

Vendor

Berriai

Status
Litellm
Vendor
CVE Published:
21 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-12799?

A security vulnerability has been identified in BerriAI litellm versions up to 1.82.2, stemming from an incomplete fix related to a prior issue. The vulnerability resides within the 'ui_view_users' function of the internal_user_endpoints.py file, allowing unauthorized users to gain access to sensitive data remotely. The public disclosure of this exploit raises concerns about the potential for malicious actors to manipulate user access, highlighting the need for prompt remediation by the vendor.

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-2026-12799 - Proof of Concept

References

https://vuldb.com/vuln/372561
vdb-entrytechnical-description
https://vuldb.com/vuln/372561/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-12799
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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-d (VulDB User)
VulDB CNA Team
.