MCP security scanners are wrong about four findings in five, and the cause is structural
This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.
An independent audit in April 2026 measured roughly a 78% false positive rate from regex-based MCP scanners. That number usually gets read as sloppy rule authoring. It is structural, and one example shows why. The rule that cannot work Cisco's coercive_injection_generic fires on this: You must call…
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- 2026-09-09 13:36 · DEV Community — AI
MCP security scanners are wrong about four findings in five, and the cause is structural