CVE-2026-44007: vm2 is an open source vm/sandbox for Node.js

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CRITICAL 9.1UPGRADE

CVE-2026-44007 is a critical-severity flaw (CVSS 9.1) affecting vm2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require('vm2') regardless of the outer VM's require configuration — including require: false. With access to vm2, the sandbox constructs a new inner NodeVM with its own unrestricted require settings and executes arbitrary OS commands on the host. Any application that runs untrusted code inside a NodeVM with

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-284, CWE-1100
Published	2026-05-13
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: vm2 project

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-13 18:16 UTCPublished CVE record published
2026-10-26 17:10 UTCUpdated Record last modified

vm2 project vm2 UPGRADE

Affected: < 3.11.1

Fixed in: 3.11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls vm2

2. UPGRADE to 3.11.1

npm install vm2@">=3.11.1"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44007?

vm2: upgrade to 3.11.1. Exact commands for each OS are on this page.

Is CVE-2026-44007 being exploited?

CVE-2026-44007 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44007 affect?

CVE-2026-44007 affects vm2. Severity is critical (CVSS 9.1). vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require('vm2') regardless of the outer VM's require configuration — including require: false. With

How urgent is CVE-2026-44007?

Priority 52/100. Critical severity; Public exploit reference

Software pages

Node.js vulnerabilities

Related CVEs

CVE-2026-24781 CRITICAL 9.8 UPGRADE vm2 is an open source vm/sandbox for Node.js
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CVE-2026-26332 CRITICAL 9.8 UPGRADE vm2 is an open source vm/sandbox for Node.js
CVE-2026-43997 CRITICAL 10.0 UPGRADE vm2 is an open source vm/sandbox for Node.js

References

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