CVE-2026-43997
CRITICAL
NVD
CVSS Score
10
Severity
CRITICAL
Published
May 13, 2026
Vendor
unknown
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.