Critical sandbox escape flaw found in popular vm2 NodeJS library

BleepingComputer

January 27, 2026 at 4:35 PM

Overview

Researchers have discovered a critical vulnerability in the vm2 library, a popular Node.js sandbox used to execute untrusted code. This security flaw, identified as CVE-2026-22709, enables attackers to escape the sandbox environment and execute arbitrary code on the host system. This poses a significant risk to applications that rely on this library for secure code execution. Developers using vm2 should take immediate action to protect their systems, as the implications could lead to unauthorized access and control over sensitive data. It's crucial for users to stay informed about this vulnerability and implement necessary safeguards to prevent exploitation.

Key Takeaways

Affected Systems: vm2 Node.js library
Action Required: Developers should update to the latest version of the vm2 library as soon as a patch is released.
Timeline: Newly disclosed

Original Article Summary

A critical-severity vulnerability in the vm2 Node.js sandbox library, tracked as CVE-2026-22709, allows escaping the sandbox and executing arbitrary code on the underlying host system. [...]

Impact

vm2 Node.js library

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Developers should update to the latest version of the vm2 library as soon as a patch is released. It's also advisable to review and restrict permissions and access controls for applications using vm2 to minimize potential risk.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Vulnerability, Critical.

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