CVE-2026-43999

critical

Description

A vulnerability in the vm2 Node.js library that allows a bypass of NodeVM's built-in allowlist and enables an attacker to load excluded builtins like child_process and achieve remote code execution. (Affects version 3.10.5, patched in 3.11.0)

References

https://thehackernews.com/2026/05/vm2-nodejs-library-vulnerabilities.html

Details

Source: Mitre, NVD

Published: 2026-05-07

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.9

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: Critical