CVE-2026-43997
CVE-2026-43997 · vm2: Sandbox Escape
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 10.0 · Critical · EPSS 0.8% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
Original sources
- https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6
- https://access.redhat.com/security/cve/CVE-2026-43997
- https://bugzilla.redhat.com/show_bug.cgi?id=2477203
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43997.json
- https://access.redhat.com/errata/RHSA-2026:50850
- https://nvd.nist.gov/vuln/detail/CVE-2026-43997