CVE-2026-44005

Published May 13, 2026

Last updated 16 days ago

Overview

Description
vm2 is an open source vm/sandbox for Node.js. From 3.9.6 to 3.10.5, vm2's bridge exposes mutable proxies for real host-realm intrinsic prototypes and then forwards sandbox writes into the underlying host objects with otherReflectSet() and otherReflectDefineProperty(), which lets attacker-controlled JavaScript running in a default VM or inherited NodeVM mutate shared host Object.prototype, Array.prototype, and Function.prototype from inside the sandbox This vulnerability is fixed in 3.11.0.
Source
security-advisories@github.com
NVD status
Modified
Products
vm2

Risk scores

CVSS 3.1

Type
Secondary
Base score
10
Impact score
5.8
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
Severity
CRITICAL

Weaknesses

security-advisories@github.com
CWE-94

Social media

Hype score
Not currently trending

Configurations