VULNERABILITY INTELLIGENCE

CVE-2026-26956

CVSS score9.8 CRITICAL
EPSS probability1.09%
CISA KEVNot currently listed
Published2026-05-04
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.

Weakness classification

  • security-advisories@github.com: CWE-693
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-653

Primary references