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Vulnerability record · CVE-2026-86097 · published 4 September 2026

CVE-2026-86097: NULL pointer dereference vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.40% · top 68.9% CWE-476 · NULL pointer dereference Awaiting Analysis
7.1CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
10 Sep 2026Last modified by NVD

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.

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2026-86097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.