REDHAT-BUG-2491112: High severity BerriAI LiteLLM vulnerability

Published Jun 21, 2026
·
Updated

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

Affected Software

1 affected component
BerriAI LiteLLM<=1.59.8

Event History

Jun 21, 2026
Data Sourced
via Red Hat·04:01 AM
DescriptionSeverityAffected Software
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