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    CVE-2026-26742

    PX4 Autopilot versions 1.12.x through 1.15.x contain a protection mechanism failure in the "Re-arm Grace Period" logic. The system incorrectly applies the in-air emergency re-arm logic to ground scenarios. If a pilot switches to Manual mode and re-arms within 5 seconds (default configuration) of an automatic landing, the system bypasses all pre-flight safety checks, including the throttle threshold check. This allows for an immediate high-thrust takeoff if the throttle stick is raised, leading to loss of control.

    Published:Mar 10, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 10, 2026
    EPSS Score:0.0004
    CVSS Score:8.1

    Affected Products

    Vendor
    Dronecode
    Product
    Px4 Drone Autopilot

    Exploits

    https://github.com/npuwyw/PX4-Autopilot/blob/audit-v1.12.3-mode-transition-logic-flaw/PX4_Autopilot_Mode_Switching_Logic_Vulnerability.md

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-32743 (CVSS 6.5) — PX4 is an open-source autopilot stack for drones and unmanned vehicles. Versions 1.17.0-rc2 and below are vuln…
    CVE-2026-32724 (CVSS 5.3) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc1, a heap-use-after-free is detected …
    CVE-2026-32713 (CVSS 4.3) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, A logic error in the PX4 Autopilot…
    CVE-2026-32709 (CVSS 5.4) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, An unauthenticated path traversal …
    CVE-2026-32708 (CVSS 7.8) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the Zenoh uORB subscriber allocate…
    CVE-2026-32707 (CVSS 5.2) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded me…
    CVE-2026-32706 (CVSS 7.1) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an over…
    CVE-2026-32705 (CVSS 6.8) — PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the BST telemetry probe writes a s…
    CVE-2026-26741 (CVSS 8.1) — PX4 Autopilot versions 1.12.x through 1.15.x contain a logic flaw in the mode switching mechanism. When switch…
    CVE-2025-15150 (CVSS 4.8) — A vulnerability was found in PX4 PX4-Autopilot up to 1.16.0. Affected by this issue is the function MavlinkLog…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High