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Advanced Prompt Injection via MCP Tool Results (Security 3)

Classic prompt injection targets the user message. In MCP systems the more dangerous channel is often the tool result : a web page, ticket body, email, PDF chunk, or database field that contains hidden instructions. The model is trained to follow instructions, and tool output sits in the same conte…

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  1. 2026-11-10 12:39 · DEV Community — AI
    Advanced Prompt Injection via MCP Tool Results (Security 3)

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