CVE-2026-44009

CRITICALNVD 9.89.8—Elevated

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 5.9%
KEV: Not listed

Published

May 13, 2026

Last Modified

May 14, 2026

Advisory Details (1)

Auto-updated May 17, 2026

🔬 Proof of concept available. Patch available. Sources: github.

github Patch Available🟡 PoC Available

Sandbox Breakout Through Null Proto Exception · Advisory · patriksimek/vm2 · GitHub

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

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
vm2	—	3.11.2	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-668Exposure of Resource to Wrong Sphere

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 00:07 UTCEG score recompute
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 11:22 UTCepss_batch
2026-05-20 09:37 UTCEG score recompute
2026-05-20 05:16 UTCEG score recompute
2026-05-20 00:55 UTCEG score recompute
2026-05-19 20:34 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-44009?

CVE-2026-44009 is a critical vulnerability published on May 13, 2026. vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.

When was CVE-2026-44009 disclosed?

CVE-2026-44009 was first published in the National Vulnerability Database on May 13, 2026, with the most recent update on May 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-44009 actively exploited?

CVE-2026-44009 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-44009?

CVE-2026-44009 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2026-44009?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44009, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-44009

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Is Your Infrastructure Affected by CVE-2026-44009?

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CVE-2026-44009

📅 Published

🔄 Last Modified

📋 Advisory Details (1)