CVE-2026-26742
High
Description
PX4 Autopilot versions 1.12.x through 1.15.x contain a protection mechanism failure in the "Re-arm Grace Period" logic. The system incorrectly applies the in-air emergency re-arm logic to ground scenarios. If a pilot switches to Manual mode and re-arms within 5 seconds (default configuration) of an automatic landing, the system bypasses all pre-flight safety checks, including the throttle threshold check. This allows for an immediate high-thrust takeoff if the throttle stick is raised, leading to loss of control.
SeverityHigh
CVSS8.1
Exploit probability—
ProductDronecode Px4 Drone Autopilot
PublishedMar 10, 2026
First seenMar 10, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- dronecode px4_drone_autopilot1.16.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dronecode px4_drone_autopilot | 1.12.0 ≤ v < 1.16.0 | 1.16.0 |
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