CVE-2026-86713 PX4 Autopilot through 1.17.0 Use-After-Free in load_mon
Attackers can trigger a use-after-free in the load_mon module via shell commands, causing heap corruption and flight stack instability.
- 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-2026-86713?
CVE-2026-86713 is a high-severity use after free vulnerability in PX4-Autopilot, published on 8 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 the load_mon module's stop path where exit_and_cleanup() deletes the LoadMon object and frees the performance counter before perf_end() attempts to access it. Attackers can trigger this vulnerability by issuing the load_mon stop command from any PXH or MAVLink shell, causing reads and writes through freed memory that corrupt heap objects and destabilize the flight stack.
Weakness: CWE-416
Which versions are affected by CVE-2026-86713?
How do I fix CVE-2026-86713?
No fix has been published for CVE-2026-86713 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-2026-86713 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86713 exists.
Sources
Also known as GHSA-26jx-wf7m-f9f4.