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MCP for agentagent comms may be the riskiest protocol you’ve never heard of
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MCP for agentagent comms may be the riskiest protocol you’ve never heard of


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Trust gaps in the new protocol spread malicious prompts from one agent to another.

First seen on arstechnica.com

Jump to article: arstechnica.com/security/2026/10/vulnerability-in-agents-from-google-and-others-exposes-structural-flaw-in-mcp/

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