Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck
CVE-2026-86097PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select
Medium 6.5
In plain English
A medium-severity null pointer dereference in PX4-Autopilot from PX4. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 66.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PX4 | PX4-Autopilot | 0 – through 1.17.0 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- Fix Pull Request patch, issue-tracking
- Patch Commit patch
- https://github.com/PX4/PX4-Autopilot product
- param_set_default_file()/param_set_backup_file() unguarded strcmp, v1.17.0 technical-description
- VulnCheck Advisory: PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select third-party-advisory