---
title: "CVE-2026-92958: vm2 - Sandbox Bypass"
description: "vm2 <= 3.11.6 contains a builtin-module denylist bypass caused by improper matching of negative entries in NodeVM builtin module restrictions, letting sandboxed code access restricted fs/promises APIs, exploit requires crafted require configuration."
url: https://panop.io/threat-heartbeat/CVE-2026-92958/
---

# CVE-2026-92958 vm2 - Sandbox Bypass

vm2 <= 3.11.6 contains a builtin-module denylist bypass caused by improper matching of negative entries in NodeVM builtin module restrictions, letting sandboxed code access restricted fs/promises APIs, exploit requires crafted require configuration.

CVSS base score 8.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-92958)

## Details

Type

Sandbox Bypass

Impact

File System Write, File System Read

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-269](https://cwe.mitre.org/data/definitions/269.html)

## Vendor fix

Upgrade to vm2 version 3.11.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-92958](https://nvd.nist.gov/vuln/detail/CVE-2026-92958)
- [https://github.com/patriksimek/vm2/security/advisories/GHSA-6rh5-qq4q-97xh](https://github.com/patriksimek/vm2/security/advisories/GHSA-6rh5-qq4q-97xh)
- [https://www.vulncheck.com/advisories/vm2-before-3.11.7-denylist-bypass-via-fs-promises](https://www.vulncheck.com/advisories/vm2-before-3.11.7-denylist-bypass-via-fs-promises)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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