CVE-2026-47208: Patriksimek VM2

Critical severity, CVSS 10.0. EPSS: 0.8% chance of exploitation in the next 30 days.

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This issue has been patched in version 3.11.4.

Affected products

• Patriksimek VM2: before 3.11.4 (fixed in 3.11.4)

Published 2026-06-12. Last modified 2026-06-17.