🔐 CVE Alert

CVE-2026-44009

CRITICAL 9.8

vm2: Sandbox Breakout Through Null Proto Exception

CVSS Score
9.8
EPSS Score
0.8%
EPSS Percentile
53th

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

CWE CWE-668
Vendor patriksimek
Product vm2
Published May 13, 2026
Last Updated Aug 6, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

patriksimek / vm2
< 3.11.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗
github.com: https://github.com/patriksimek/vm2/security/advisories/GHSA-9vg3-4rfj-wgcm access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-44009 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2477185 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44009.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:50850