CVE-2026-12771: Improper Authorization in BerriAI litellm
A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.
AI Analysis
Technical Summary
This vulnerability in BerriAI litellm up to version 1.82.2 allows improper authorization due to a flaw in the M2M JWT Handler's user API key authentication mechanism. The issue resides in the file litellm/proxy/auth/user_api_key_auth.py. Remote attackers may exploit this vulnerability, but the attack complexity is high and exploitability is difficult. No vendor-provided patch or official remediation level has been disclosed. The CVSS 4.0 vector indicates network attack vector, high complexity, low privileges required, no user interaction, and low impacts on confidentiality, integrity, and availability.
Potential Impact
The vulnerability could allow unauthorized access due to improper authorization checks in the M2M JWT Handler component. However, the low CVSS score and high attack complexity suggest limited practical impact and difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor vendor communications for updates. No specific mitigations are currently documented.
CVE-2026-12771: Improper Authorization in BerriAI litellm
Description
A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.
CVSS v4.0
Score 2.3low
Affected software
cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in BerriAI litellm up to version 1.82.2 allows improper authorization due to a flaw in the M2M JWT Handler's user API key authentication mechanism. The issue resides in the file litellm/proxy/auth/user_api_key_auth.py. Remote attackers may exploit this vulnerability, but the attack complexity is high and exploitability is difficult. No vendor-provided patch or official remediation level has been disclosed. The CVSS 4.0 vector indicates network attack vector, high complexity, low privileges required, no user interaction, and low impacts on confidentiality, integrity, and availability.
Potential Impact
The vulnerability could allow unauthorized access due to improper authorization checks in the M2M JWT Handler component. However, the low CVSS score and high attack complexity suggest limited practical impact and difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor vendor communications for updates. No specific mitigations are currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-20T09:26:20.566Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3743f19c760d8add41b4f8
Added to database: 06/21/2026, 01:52:49 UTC
Last enriched: 06/28/2026, 21:57:07 UTC
Last updated: 08/04/2026, 16:39:34 UTC
Views: 81
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