CVE-2026-26742
PX4 Autopilot 1.12.x-1.15.x: re-arm bypasses pre-flight checks.
Is CVE-2026-26742 being exploited?
Not confirmed. CVE-2026-26742 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2026-26742?
CVE-2026-26742 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-26742?
Yes. A fix has been recorded for CVE-2026-26742. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-26742 affect?
CVE-2026-26742 affects PX4 Autopilot 1.12.x-1.15.x. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26742?
Upgrade firmware when patched; verify/restrict re-arm workflow.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypass pre-flight checks on re-arm within 5s of auto-landing, enabling a high-thrust takeoff and loss of control.
Patch when possible