CVE-2026-44009: vm2 is an open source vm/sandbox for Node.js

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-44009 is a critical-severity flaw (CVSS 9.8) 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 3.11.2, This vulnerability is fixed in 3.11.2.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-668, CWE-653
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 14:10 UTCUpdated Record last modified

vm2 project vm2 UPGRADE

Affected: < 3.11.2

Fixed in: 3.11.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls vm2

2. UPGRADE to 3.11.2

npm install vm2@">=3.11.2"

Exact fixes by distribution

npm · vm2 · FIXED · 3.11.2 · vulnerable: < 3.11.2 · source

npm install vm2@">=3.11.2" npm ls vm2

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/patriksimek/vm2/security/advisories/GHSA-9vg3-4rfj-wgcm

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-2026-44009?

vm2: upgrade to 3.11.2. Exact commands for each OS are on this page.

Is CVE-2026-44009 being exploited?

CVE-2026-44009 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-2026-44009 affect?

CVE-2026-44009 affects vm2. Severity is critical (CVSS 9.8). vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.

How urgent is CVE-2026-44009?

Priority 61/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

Related CVEs

CVE-2026-24781 CRITICAL 9.8 UPGRADE vm2 is an open source vm/sandbox for Node.js
CVE-2026-26956 CRITICAL 9.8 UPGRADE vm2 is an open source vm/sandbox for Node.js
CVE-2026-24118 CRITICAL 9.8 UPGRADE vm2 is an open source vm/sandbox for Node.js
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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