CVE-2026-24120 vm2: Sandbox Breakout Through Promise Species
Attackers can escape the vm2 sandbox to execute arbitrary commands on the host system due to insufficient patching of a previous vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-24120?
CVE-2026-24120 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 3.10.5, the fix for CVE-2023-37466 is insufficient and can be circumvented allowing 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 3.10.5.
Which versions are affected by CVE-2026-24120?
2 open source packages ship an affected version, including vm2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
vm2 npm | All versions | 3.10.5 |
vm2 npm | All versions | 3.10.5 |
Products include Vm2 Project Vm2.
How do I fix CVE-2026-24120?
Upgrade vm2 to 3.10.5 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-24120 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24120 exists.
Other vulnerabilities in patriksimek vm2
Sources
Also known as GHSA-qvjj-29qf-hp7p, ROOT-APP-NPM-CVE-2026-24120.