vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6 Exploit, Vendor Advisory
- https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6 Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 10.0 · vm2_projectNVD modified 2026-10-26 17:10
Affected (CPE criteria) 1
cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:node.js:*:*
References 6
- https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6 Exploit, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:50850
- https://access.redhat.com/security/cve/CVE-2026-43997
- https://bugzilla.redhat.com/show_bug.cgi?id=2477203
- https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6 Exploit, Vendor Advisory
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43997.json