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    CVE-2026-1579

    The MAVLink communication protocol does not require cryptographic authentication by default. When MAVLink 2.0 message signing is not enabled, any message -- including SERIAL_CONTROL, which provides interactive shell access -- can be sent by an unauthenticated party with access to the MAVLink interface. PX4 provides MAVLink 2.0 message signing as the cryptographic authentication mechanism for all MAVLink communication. When signing is enabled, unsigned messages are rejected at the protocol level.

    Published:Mar 31, 2026
    Last Modified:Apr 8, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.00083
    CVSS Score:9.8

    Affected Products

    Vendor
    Px4
    Product
    Autopilot
    Vendor
    Px4
    Product
    Px4-autopilot

    Exploits

    No exploit reference

    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