Security Advisory

CVE-2025-53365

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-07-04 22:03:46

Last updated 2025-07-08 13:53:36

Assigner GitHub_M

CVSS score not scored

State PUBLISHED

Description

The MCP Python SDK, called `mcp` on PyPI, is a Python implementation of the Model Context Protocol (MCP). Prior to version 1.10.0, if a client deliberately triggers an exception after establishing a streamable HTTP session, this can lead to an uncaught ClosedResourceError on the server side, causing the server to crash and requiring a restart to restore service. Impact may vary depending on the deployment conditions, and presence of infrastructure-level resilience measures. Version 1.10.0 contains a patch for the issue.

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