A Muse user could have reached Meta’s sensitive internal databases.

Meta engineers found the flaws in the weeks before launch, and the issue reached Mark Zuckerberg.

Each Muse instance runs in a kernel-based virtual machine, and an escape lets code reach the host system.

Pre-launch security pushes are not unusual, but outside researchers have found other Muse security issues since launch.

A Meta source says many senior engineers consider a massive data breach inevitable.

Sources: 404 Media