CVE-2026-12797: LiteLLM

Medium severity, CVSS 6.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A security flaw has been discovered in BerriAI litellm up to 1.82.5. Affected is the function async_pre_call_hook of the file enterprise/enterprise_hooks/banned_keywords.py of the component Completions Interface. The manipulation of the argument prompt results in incorrect authorization. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

Affected products

• LiteLLM LiteLLM: up to and including 1.82.5

Published 2026-06-21. Last modified 2026-06-24.