CVE-2026-86096 PX4 Autopilot through 1.17.0 Use-After-Free via Temperature Calibration Task Startup
Attackers can trigger a use-after-free in PX4 Autopilot via shell commands, potentially corrupting memory and causing crashes or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86096?
CVE-2026-86096 is a medium-severity use after free vulnerability in PX4-Autopilot, published on 4 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in TemperatureCalibration::start() due to a race condition between task spawning and object deletion. Attackers can trigger the calibration process via shell commands to write to freed heap memory, corrupting unrelated objects or allocator metadata and destabilizing heap operations.
Weakness: CWE-416
Which versions are affected by CVE-2026-86096?
How do I fix CVE-2026-86096?
No fix has been published for CVE-2026-86096 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-86096 being exploited?
There is no known exploitation of CVE-2026-86096 in the wild and no public exploit code.
Sources
Also known as GHSA-9rqw-c6c2-rwvv.