AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

LiteLLMGHSA-qmf3-4767-5fg3

LiteLLM: M2M JWT Handler Has Improper Authorization

LiteLLM

CVE-2026-12771 · Published Jun 21, 2026 · updated Oct 1, 2026

Low5.0
No fix yet
GitHub advisory

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.

Affected versions

PackageAffectedFixed in
litellm
PyPI
<= 1.82.2No fix yet
Details and references

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