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critical vulnerability

vm2: NodeVM builtin allowlist bypass via node:test.run() execArgv allows sandbox escape

Fix availableCritical · CVSS 9.9EPSS 0.65%

Published Oct 1, 2026 · updated Oct 1, 2026

What to do

  1. Upgrade to a fixed version: vm2 3.11.7.
  2. Redeploy and restart long-running processes so they load the fixed code.

Affected packages

npmvm2630,292 downloads/week

Vulnerable versions
>= 3.9.6, <= 3.11.6
Fixed in
3.11.7

Check your project: npm ls vm2 --all

Is vm2@3.11.7 safe to install? See the upgrade verdict →

Sources

CWE-693 Protection Mechanism Failure

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