VM2, an open source virtual machine/sandbox for Node.js, contains a critical vulnerability (CVE-2026-24120) that allows attackers to escape from the sandbox and execute arbitrary commands on the host system. This vulnerability represents an insufficient fix for a previous issue (CVE-2023-37466) and affects versions prior to 3.10.5. The vulnerability enables sandbox escape attacks, which could lead to complete system compromise. The issue has been patched in version 3.10.5, and users should upgrade immediately to prevent exploitation.