critical9.1
CVE-2026-44007
vm2 NodeVM `nesting: true` bypasses `require: false` allowing sandbox escape and arbitrary OS command execution
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | vm2 | <= 3.11.0 | 3.11.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vm2 Project | Vm2 | before 3.11.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-8hg8-63c5-gwmx
- https://github.com/patriksimek/vm2/security/advisories/GHSA-8hg8-63c5-gwmx
- https://github.com/patriksimek/vm2/releases/tag/v3.11.1
- https://nvd.nist.gov/vuln/detail/CVE-2026-44007
- http://www.openwall.com/lists/oss-security/2026/05/05/11
- https://access.redhat.com/errata/RHSA-2026:50850
- https://access.redhat.com/security/cve/CVE-2026-44007
- https://bugzilla.redhat.com/show_bug.cgi?id=2477198
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44007.json