JavaScript Sandbox vm2: Critical Vulnerability Allows Escape

The JavaScript sandbox vm2 for Node.js was actually discontinued. Now an update closes a critical security vulnerability.
The Hacker News

Critical vm2 Node.js Flaw Allows Sandbox Escape and Arbitrary Code Execution

A critical vm2 Node.js vulnerability (CVE-2026-22709, CVSS 9.8) allows sandbox escape via Promise handler bypass.

Critical sandbox escape flaw found in popular vm2 NodeJS library

A critical-severity vulnerability in the vm2 Node.js sandbox library, tracked as CVE-2026-22709, allows escaping the sandbox and executing arbitrary code on the underlying host system.
CSO Online

Critical bug in popular vm2 Node.js sandboxing library puts projects at risk

Sandbox escape vulnerability in vm2, used by nearly 900 NPM packages, allows attackers to bypass security protections and ...