PYSEC-2026-2599 LiteLLM: Authenticated command execution via MCP stdio test endpoints

Impact Two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration in the request body, including the command, args, and env fields used by the stdio transport. When called with a stdio...

CVE-2026-42271

A flaw was found in LiteLLM, a proxy server AI Gateway for Large Language Model LLM APIs. Two endpoints, used for previewing an MCP server before saving it, accepted a full server configuration including command execution parameters. An authenticated user, even with low-privilege internal-user...