vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
History

Fri, 08 May 2026 19:30:00 +0000

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

Fri, 08 May 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-653
References
Metrics threat_severity

None

threat_severity

Critical


Tue, 05 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 04 May 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Patriksimek
Patriksimek vm2
Vendors & Products Patriksimek
Patriksimek vm2

Mon, 04 May 2026 17:15:00 +0000

Type Values Removed Values Added
Description vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
Title vm2: WASM Sandbox Escape (Node 25 only)
Weaknesses CWE-693
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-05T13:10:04.497Z

Reserved: 2026-02-16T22:20:28.611Z

Link: CVE-2026-26956

cve-icon Vulnrichment

Updated: 2026-05-05T13:09:47.871Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-04T17:16:22.553

Modified: 2026-05-08T19:15:17.833

Link: CVE-2026-26956

cve-icon Redhat

Severity : Critical

Publid Date: 2026-05-04T16:37:31Z

Links: CVE-2026-26956 - Bugzilla