CVE-2026-24118 VM2 Sandbox Breakout Through __lookupGetter__

Critical 9.8 Published Updated

Attackers can escape the VM2 sandbox to execute arbitrary commands on the host system via __lookupGetter__.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-24118?

CVE-2026-24118 is a critical code injection vulnerability in patriksimek vm2, published on 4 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.0, VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This issue has been patched in version 3.11.0.

Weakness: CWE-749, CWE-94, CWE-693

Which versions are affected by CVE-2026-24118?

2 open source packages ship an affected version, including vm2. It affects 1 product.

PackageAffectedFixed in
vm2 npmAll versions3.11.0
vm2 npmAll versions3.11.0

Products include Vm2 Project Vm2.

How do I fix CVE-2026-24118?

Upgrade vm2 to 3.11.0 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-24118 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24118 exists.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-grj5-jjm8-h35p, ROOT-APP-NPM-CVE-2026-24118.

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