CVE-2026-44006

CRITICAL 10.0

vm2: Sandbox Escape

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.

CWE	CWE-94
Vendor	patriksimek
Product	vm2
Published	May 13, 2026
Last Updated	Jun 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

patriksimek / vm2

< 3.11.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/patriksimek/vm2/security/advisories/GHSA-qcp4-v2jj-fjx8 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-44006 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2477200 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44006.json