Vulnerability Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require('vm2') regardless of the outer VM's require configuration — including require: false. With access to vm2, the sandbox constructs a new inner NodeVM with its own unrestricted require settings and executes arbitrary OS commands on the host. Any application that runs untrusted code inside a NodeVM with nesting: true is fully compromised. This vulnerability is fixed in 3.11.1.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vm2 Project | Vm2 | < 3.11.1 |
Related Weaknesses (CWE)
References
- https://github.com/patriksimek/vm2/security/advisories/GHSA-8hg8-63c5-gwmxExploitVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/05/11Mailing ListThird Party Advisory
FAQ
What is CVE-2026-44007?
CVE-2026-44007 is a vulnerability with a CVSS score of 9.1 (CRITICAL). vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require('vm2') regardless of the outer VM's require configu...
How severe is CVE-2026-44007?
CVE-2026-44007 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-44007?
Check the references section above for vendor advisories and patch information. Affected products include: Vm2 Project Vm2.