Arbitrary Code Execution Vulnerability in vm2 for Node.js by Patrik Símek
CVE-2026-24120

9.8CRITICAL

Key Information:

Vendor

Patriksimek

Status
Vm2
Vendor
CVE Published:
4 May 2026

What is CVE-2026-24120?

The vm2 library, a popular sandboxing tool for Node.js, contains a vulnerability that permits attackers to craft malicious code capable of escaping the confines of the vm2 sandbox. Versions earlier than 3.10.5 are susceptible to this issue, which results from an inadequate fix for a previous vulnerability. Once exploited, it can allow unauthorized code execution on the host system, significantly affecting system integrity and security. Users are advised to update to version 3.10.5 or later to safeguard against these risks.

Affected Version(s)

vm2 < 3.10.5

References

https://github.com/patriksimek/vm2/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/patriksimek/vm2/releases/tag/v3.10.5
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.