CVE-2026-43997 — vm2: Sandbox Escape
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, on…
Published: 2026-05-13 · CVSS: 10.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7