Medium severity · published Sep 4, 2026
CVE-2026-86097
PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select
6.5
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PX
PX4-Autopilot · PX4
through 1.17.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86097
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86097
github.com
https://github.com/PX4/PX4-Autopilot
github.com
https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/lib/parameters/parameters.cpp
github.com
https://github.com/PX4/PX4-Autopilot/commit/02eabc08c9b8cb1de525070cacb7ea0c495136f6
github.com
https://github.com/PX4/PX4-Autopilot/pull/28475
www.vulncheck.com
https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-param-select
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