CVE-2026-44009

vm2: Sandbox Breakout Through Null Proto Exception

Published May 13, 2026 CVSS 3.1 · 9.8 Critical EPSS 1.0% KEV · Not listed
Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This vulnerability is fixed in 3.11.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-9vg3-4rfj-wgcm vm2 has Sandbox Breakout Through Null Proto Exception
History
Type Values Removed Values Added
Description vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2. vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This vulnerability is fixed in 3.11.2.
References
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Vm2 Project
Vm2 Project vm2
CPEs cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*
Vendors & Products Vm2 Project
Vm2 Project vm2
Type Values Removed Values Added
First Time appeared Patriksimek
Patriksimek vm2
Vendors & Products Patriksimek
Patriksimek vm2
Type Values Removed Values Added
Description vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.
Title vm2: Sandbox Breakout Through Null Proto Exception
Weaknesses CWE-668
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 4, 2026, 3:35 AM
Reserved
May 4, 2026, 9:24 PM
Status
Modified
Published
May 13, 2026, 6:16 PM
Modified
Nov 4, 2026, 4:17 AM