CVE-2026-44009 CRITICAL

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

Vendor Patriksimek
Product vm2
Weakness CWE-668
Published May 13, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 13, 2026 CVE published
June 30, 2026 Record updated