CVE-2026-86097 PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select

High 7.1 Published Updated

Attackers can crash the PX4 Autopilot process by invoking param select commands without a path argument, causing a null pointer dereference.

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-2026-86097?

CVE-2026-86097 is a high-severity 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 null pointer dereference vulnerability in param_set_default_file() and param_set_backup_file() functions that allows attackers to crash the autopilot process. Attackers can invoke 'param select' or 'param select-backup' commands with no path argument from any PX4 shell to trigger the crash.

Weakness: CWE-476

Which versions are affected by CVE-2026-86097?

How do I fix CVE-2026-86097?

No fix has been published for CVE-2026-86097 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86097 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86097 exists.

Sources

Also known as GHSA-43c5-wgwh-x5c8.

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