vm2 Node.js VM: Arbitrary Exec <3.11.2
CVE-2026-44009 Published on May 13, 2026
vm2: Sandbox Breakout Through Null Proto Exception
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, This vulnerability is fixed in 3.11.2.
Vulnerability Analysis
CVE-2026-44009 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Types
Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
What is a Separation of Privilege Vulnerability?
The product does not sufficiently compartmentalize functionality or processes that require different privilege levels, rights, or permissions. When a weakness occurs in functionality that is accessible by lower-privileged users, then without strong boundaries, an attack might extend the scope of the damage to higher-privileged users.
CVE-2026-44009 has been classified to as a Separation of Privilege vulnerability or weakness.
Products Associated with CVE-2026-44009
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Affected Versions
patriksimek vm2:- Version < 3.11.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.