# PX4 Drones Have a 9.8 Security Flaw. The Fix Already Exists.

- slug: px4-drones-have-a-98-security-flaw-the-fix-already-exists
- date: 2026-04-07
- category: Robotics

MAVLink 2.0 message signing would close CVE-2026-1579 entirely. PX4 ships with it disabled by default. That is not a code bug — it is a configuration philosophy, and it is the story.

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