CVE-2026-86097 json
PX4 Autopilot through 1.17.0 Null Pointer Dereference via param select
published 2mo ago modified 2mo ago also EUVD-2026-71790
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- dronecode px4_drone_autopilot 1.18.0
- github.com/PX4/PX4-Autopilot@02eabc0 commit
- github.com/PX4/PX4-Autopilot#28475 pull request
Is CVE-2026-86097 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/PX4/PX4-Autopilot/pull/28475 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | 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 |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 4.0 | 7.1 | 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:X/V:X/RE:X/U:X |
Affected products
- PX4 PX4-Autopilot
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
github.com
/PX4/PX4-Autopilot/pull/28475
patch, issue-tracking, exploit
-
github.com
/PX4/PX4-Autopilot/commit/02eabc08c9b8cb1de525070cacb7ea0c495136f6
patch
-
github.com
/PX4/PX4-Autopilot
product
-
github.com
/PX4/PX4-Autopilot/blob/v1.17.0/src/lib/parameters/parameters.cpp
technical-description
-
vulncheck.com
/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-param-select
third-party-advisory
Sources
- CVE List CVE-2026-86097
- NVD CVE-2026-86097
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.