MCP for agent-to-agent comms may be the riskiest protocol you've never heard of

MCP for agent-to-agent comms may be the riskiest protocol you've never heard of

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

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