An OS command injection vulnerability has been discovered in ROS2 (Robot Operating System 2) Humble Hawksbill in ROS_VERSION 2 and ROS_PYTHON_VERSION 3, allows remote attackers to execute arbitrary code, escalate privileges, and obtain sensitive information via External Command Execution Modules, System Call Handlers, and Interface Scripts. NOTE: this is disputed by multiple third parties who believe there was not reasonable evidence to determine the existence of a vulnerability.