Protection mechanism failure in vm2 - CVE-2026-93605
Published: September 4, 2026 / Updated: September 22, 2026
Vulnerability identifier: #VU146899
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93605
CWE-ID: CWE-693
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands on the host.
The vulnerability exists due to a protection mechanism failure in the NodeVM dangerous built-ins denylist when processing sandboxed scripts with all built-in modules allowed. A remote attacker can run a sandboxed script that requires the child_process module to execute arbitrary commands on the host.
The issue also occurs when child_process is explicitly allowed.
Affected software
vm2
How to mitigate CVE-2026-93605
Install security update from vendor's website.
vm2 - update to 3.12.1