Model Context Protocol has prompt injection security problems

April 11, 2025

Code snippet showing a message-sending tool with JSON data containing a phone number and message. A red arrow with text "Data to be stolen is way over here" points to the right, implying a security concern.

As more people start hacking around with implementations of MCP (the Model Context Protocol, a new standard for making tools available to LLM-powered systems) the security implications of tools built on that protocol are starting to come into focus.

Source: Model Context Protocol has prompt injection security problems

Model Context Protocol is hitting the “find out” stage…

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