CVE-2026-86097: Null Dereference (CVSS 6.5)

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.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0024

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-476 CWE-476

References

Other References

https://github.com/PX4/PX4-Autopilot https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/lib/parameters/parameters.cpp https://github.com/PX4/PX4-Autopilot/commit/02eabc08c9b8cb1de525070cacb7ea0c495136f6 https://github.com/PX4/PX4-Autopilot/pull/28475 https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-param-select https://github.com/PX4/PX4-Autopilot/pull/28475

Frequently Asked Questions

What is CVE-2026-86097? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-86097? +

CVE-2026-86097 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-86097? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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