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Threats Tagged 'cve-2026-59950'

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Threats Tagged 'cve-2026-59950'

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CVE-2026-59950: CWE-346: Origin Validation Error in modelcontextprotocol python-sdkCVE-2026-59950
0

The MCP Python SDK (mcp on PyPI) prior to version 1.28.1 contains an origin validation error in its deprecated websocket_server transport. This transport accepted WebSocket handshakes without validating the Host or Origin headers, allowing connections from any origin. The issue is fixed in version 1.28.1. The vulnerability has a high severity with a CVSS score of 7.6.

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