CVE-2026-26332 vm2: Sandbox Escape

Critical 9.8 Published 4 May 2026 Updated 15 Jul 2026

Attackers can escape the vm2 sandbox and execute arbitrary code via SuppressedError, affecting applications using this Node.js library.

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

What is CVE-2026-26332?

CVE-2026-26332 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, SuppressedError allows attackers to escape the sandbox and run arbitrary code. This issue has been patched in version 3.11.0.

Weakness: CWE-653, CWE-94, CWE-693

Which versions are affected by CVE-2026-26332?

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

Package	Affected	Fixed in
`vm2` npm	All versions	`3.11.0`
`vm2` npm	All versions	`3.11.0`

Products include Vm2 Project Vm2.

How do I fix CVE-2026-26332?

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-2026-26332 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-26332 exists.

Sources

Also known as GHSA-55hx-c926-fr95, ROOT-APP-NPM-CVE-2026-26332.