dev.to· Oct 22, 2026· by alexar76

MCP servers edit the instructions your agent reads. WARDEN 0.18 shows which words changed

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On 29 September an MCP server changed the description of one of its 45 tools. The old text said that...
🎯 Vulnerability: Remote Code Execution (RCE)
💡 Defense Fix: Avoid executing shell commands via system(). Use parameterized APIs and strict input sanitization.
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