{"id":"CVE-2026-86097","title":"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","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…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"PX4","product":"PX4-Autopilot","affected":["PX4-Autopilot <= 1.17.0"],"published":"2026-09-04","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:43:03.760","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86097","references":[{"url":"https://github.com/PX4/PX4-Autopilot","label":"disclosure@vulncheck.com"},{"url":"https://github.com/PX4/PX4-Autopilot/blob/v1.17.0/src/lib/parameters/parameters.cpp","label":"disclosure@vulncheck.com"},{"url":"https://github.com/PX4/PX4-Autopilot/commit/02eabc08c9b8cb1de525070cacb7ea0c495136f6","label":"disclosure@vulncheck.com"},{"url":"https://github.com/PX4/PX4-Autopilot/pull/28475","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-param-select","label":"disclosure@vulncheck.com"},{"url":"https://github.com/PX4/PX4-Autopilot/pull/28475","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00244,"epssPercentile":0.15862,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T13:02:06.860029Z"},"ingestedAt":"2026-09-08T15:33:26.965Z","slug":"CVE-2026-86097","body":"## Overview\n\nPX4 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[]}