Critical 9.8Published May 13, 2026

CVE-2026-44009vm2: Sandbox Breakout Through Null Proto Exception

Updated under an hour ago (Oct 27, 2026, 1:30 AM ET)

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It affects patriksimek vm2 and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for patriksimek vm2

Exploited in the last 30 days

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-668, CWE-653
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Modified
Record last updated: Sep 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

patriksimek vm2 patriksimek:vm2 (from the name)	before 3.11.2	CNA record
Red Hat Red Hat Ansible Automation Platform 2.1 redhat:ansible_portal	from 1785854226 not affected	CISA ADP
Red Hat Red Hat Developer Hub redhat:rhdh	1	CISA ADP
vm2_project vm2 vm2_project:vm2	before 3.11.2	NVD

References

References

https://github.com/patriksimek/vm2/security/advisories/GHSA-9vg3-4rfj-wgcm	x-refsource-confirm, exploit, vendor-advisory
https://access.redhat.com/errata/RHSA-2026:50850
https://access.redhat.com/security/cve/CVE-2026-44009
https://bugzilla.redhat.com/show_bug.cgi?id=2477185
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44009.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.