CVE-2026-44002
Medium
Description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's CallSite wrapper class (intended as a safe wrapper for V8's native CallSite) blocks getThis() and getFunction() to prevent host object leakage, but allows getFileName() to return unsanitized host absolute paths. Any sandboxed code can extract the full directory structure, library paths, and framework versions of the host server. This vulnerability is fixed in 3.11.0.
SeverityMedium
CVSS5.8
Exploit probability—
ProductVm2
PublishedMay 13, 2026
First seenMay 13, 2026
Weakness typeCWE-209CWE-209
How to fix
Update
- vm2_project vm23.11.0 or later
- vm23.11.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vm2_project vm2 | v < 3.11.0 | 3.11.0 |
| vm2npm | v < 3.11.0 | 3.11.0 |
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