CVE-2026-93605: vm2 NodeVM before 3.12.1 Remote Code Execution via child_process

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-18 · updated 2026-09-21
Weakness: CWE-693

Description

vm2 NodeVM versions before 3.12.1 contain a sandbox escape vulnerability where the DANGEROUS_BUILTINS denylist omits child_process despite blocking other host-spawning modules. Attackers can require child_process and execute arbitrary commands on the host system when NodeVM is configured with builtin:['*'] or explicit child_process allowance.

Affected products

patriksimek vm2: before 3.12.1 — fixed in 3.12.1

How to fix

Upgrade to a fixed version: patriksimek vm2 3.12.1. Check the vendor advisory for mitigations.

References

https://github.com/patriksimek/vm2/security/advisories/GHSA-pq68-rvw4-xp4r
https://www.vulncheck.com/advisories/vm2-nodevm-before-3.12.1-remote-code-execution-via-child-process

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