‘This is not a traditional coding error’: Experts flag potentially critical security issues at the heart of Anthropic’s MCP, exposes 150 million downloads and thousands of servers to complete takeover – United Cultures

United Cultures

‘This is not a traditional coding error’: Experts flag potentially critical security issues at the heart of Anthropic’s MCP, exposes 150 million downloads and thousands of servers to complete takeover

April 16, 2026

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Anthropic sees no issues – and says the tools are working as intended.

Technology