https://reddit.com/r/cybersecurity/comments/1t6dyji/critical_vm2_sandbox_escape_vulnerabilities/: Critical vm2 Sandbox Escape Vulnerabilities Expose Node.js Apps to Full Host RCE
Published May 7, 2026
·Updated
Affected Software
2 affected components
npm/vm2
OpenJS Foundation Node.js=25
Frequently Asked Questions
1
What is the severity of CVE-2026-26956?
CVE-2026-26956 has been classified as critical due to its potential to allow remote code execution on the host system.
2
How do I fix CVE-2026-26956?
To mitigate CVE-2026-26956, update vm2 to the latest version as recommended by security advisories.
3
What are the potential impacts of CVE-2026-26956?
The potential impacts of CVE-2026-26956 include unauthorized access and control over the host operating system.
4
Who is affected by CVE-2026-26956?
CVE-2026-26956 affects applications using the vm2 package in Node.js environments.
5
How does CVE-2026-26956 allow sandbox escape?
CVE-2026-26956 allows sandbox escape by exploiting vulnerabilities in the vm2 isolation mechanisms, enabling execution of arbitrary code.