An attacker with knowledge of creating user accounts during VM deployment on Google Cloud Platform (GCP) using the OS Login feature, can login via SSH gaining command-line control of the operating system. This allows an attacker to gain access to sensitive data stored on the VM, install malicious software, and disrupt or disable the functionality of the VM.
A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity.