CVE-2026-12771BerriAI litellm M2M JWT user_api_key_auth.py improper authorization

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• VDB-372513 | BerriAI litellm M2M JWT user_api_key_auth.py improper authorization vdb-entryThird Party AdvisoryVDB Entry
• VDB-372513 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-requiredPermissions RequiredVDB Entry
• CVE-2026-12771 | CVE Analysis and Report third-party-advisoryThird Party AdvisoryVDB Entry
• Submit #811280 | litellm <= 1.82.2 Improper Authorization (CWE-285) third-party-advisoryThird Party AdvisoryExploitVDB Entry
• https://gist.github.com/YLChen-007/70e4e106527f74ddf17953ff0f6c248d exploitExploitThird Party Advisory