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Maintainers of the Model Context Protocol Python SDK have patched a high-severity OAuth weakness that could let a malicious MCP server steal authentication credentials and potentially take over accounts.
Summary
The flaw affects the official Python implementation of MCP, an open protocol originally introduced by Anthropic to connect artificial-intelligence applications with external tools and data. The security advisory rates the vulnerability 7.5 out of 10 for unattended authentication […] The article MCP Python SDK patches high-risk OAuth credential flaw appeared first on Arabian Post .
This is a brief wire summary — the full story (linked below) has the complete details.
KazaSec's take
Phishing and credential-based attacks succeed because they target people, not just infrastructure — technical controls like SPF, DKIM, and DMARC only ever close part of that gap. The rest comes down to whether a team can actually spot the fake, and whether a compromised credential can still be reused anywhere else.
Coverage details
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