Home / Vulnerability Intelligence / CVE-2026-43999

CVE-2026-43999 - Vulnerability Analysis

CriticalCVSS: 9.9

Last Updated: May 14, 2026

vm2 - Remote Code Execution

Published: May 13, 2026Updated: May 14, 2026PoC AvailableRemote Exploitable

Overview

vm2 < 3.11.0 contains a remote code execution caused by bypassing NodeVM's builtin allowlist via the 'builtin' module, letting sandboxed attackers execute arbitrary code, exploit requires allowing the 'builtin' module.

Severity & Score

Severity: Critical

CVSS Score: 9.9

Impact

Sandboxed attackers can execute arbitrary code on the host, leading to full system compromise.

Mitigation

Update to version 3.11.0 or later.

References

https://github.com/patriksimek/vm2/security/advisories/GHSA-947f-4v7f-x2v8

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-43999
Severity: Critical
CVSS Score: 9.9
Type: remote_code_execution
Status: modified

CWE

CWE-863

CVSS Metrics

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