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

A malicious MCP server could trick an application built on the official MCP Python SDK into handing over the OAuth credentials it uses to log in to a real service, the SDK's maintainers said in a security advi…. This vulnerability highlights a critical security weakness in a widely used developer tool for authentication.

https://meta-news.info/ver/official-mcp-python-sdk-flaw-can-let-malicious-servers-ste…