Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth… | HappeningNow.news

Cybersecurity

Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials

MCP Python SDK flaw can let malicious servers redirect OAuth exchanges and steal credentials; fixes are in 1.30.0 and 2.2.0.

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A flaw in the MCP Python SDK allows malicious servers to hijack OAuth exchanges and steal credentials, and the vulnerability is addressed in SDK versions 1.30.0 and 2.2.0.

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Part of Oauth coverage 39 tracked stories

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