We’re taking on a small number of new builds and rebuilds this quarter. Book a call to see if your project is a fit.

CVE CVE-2026-43997

CVE-2026-43997

Node.js

Severity: CRITICAL
CVSS: 10CVSS
Published: 2026-05-13
Last modified: 2026-05-13
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE: CWE-94

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

Summary

Description

References