CVE-2026-43997

Published May 13th, 2026

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CVSS v3

CRITICAL

CVSS v2

N/A

Affected

PROJECT

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.

patriksimek/vm2

Advanced vm/sandbox for Node.js

GitHub

4.07K