CVE-2026-43997

Description

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.

References

https://thehackernews.com/2026/05/vm2-nodejs-library-vulnerabilities.html

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43997.json

https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6

https://bugzilla.redhat.com/show_bug.cgi?id=2477203

https://access.redhat.com/security/cve/CVE-2026-43997

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS