LiteLLM Supply Chain Attack: A Key Never Revoked

By Editorial Team | October 27, 2026
LiteLLM supply chain attack: backdoored release 1.107.0 on PyPI and Docker, October 2026

The LiteLLM supply chain attack of October 21 did not start on October 21. According to LiteLLM’s own root cause report, a master key committed to a public repository on May 27 was never revoked. An attacker used it on October 10 to reach the GitHub account of an organization owner, and eleven days later…

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LiteLLM MCP Authentication Bypass: Patch Now

By Editorial Team | September 18, 2026
A LiteLLM MCP authentication bypass lets attackers skip OAuth2 login entirely. Active exploitation confirmed, first MCP flaw in CISA KEV.

A LiteLLM MCP authentication bypass, CVE-2026-59822 (CVSS 8.8), lets an attacker skip OAuth2 login entirely when connecting to Model Context Protocol servers through LiteLLM’s proxy, gaining whatever access an authenticated session would carry. CISA added the flaw to its Known Exploited Vulnerabilities catalog on September 2, the first MCP-related vulnerability ever listed there; WatchTowr reports…

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