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MCP server max_sessions session_idle_timeout

Safeguard articles tagged "MCP server max_sessions session_idle_timeout" — guides, analysis, and best practices for software supply chain and application security.

1 article

Supply Chain Security

MCP Python SDK CVE-2026-59951: Capping Streamable HTTP Sessions Before They Cap Your Server

MCP Python SDK before 1.30.0 and 2.2.0 never freed Streamable HTTP sessions. What we measured, how to size the new limits, and a server checker.

Oct 18, 202612 min read

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