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MCP Supply Chain Attacks: Poisoned npm and PyPI Dependencies (Security 1)

An MCP server is just another process that installs packages. If one of those packages is malicious, the attacker inherits every secret, tool, and network path the server has. Supply-chain attacks against npm and PyPI are not theoretical anymore, and MCP makes the blast radius larger because the mo…

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  1. 2026-11-08 12:41 · DEV Community — AI
    MCP Supply Chain Attacks: Poisoned npm and PyPI Dependencies (Security 1)

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