Security Advisory

CVE-2026-44007

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-13 17:33:19

Last updated 2026-07-15 00:55:07

Assigner GitHub_M

CVSS score 9.1

State PUBLISHED

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require('vm2') regardless of the outer VM's require configuration — including require: false. With access to vm2, the sandbox constructs a new inner NodeVM with its own unrestricted require settings and executes arbitrary OS commands on the host. Any application that runs untrusted code inside a NodeVM with nesting: true is fully compromised. This vulnerability is fixed in 3.11.1.

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