What’s Vulnerable › Vulnerabilities

CVE-2026-47208: vm2: Sandbox Breakout Using Promise Species

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-12 · updated 2026-10-26
• Weakness: CWE-913

Description

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, VM2 suffers from a sandbox breakout vulnerability. This allows attackers to write code which can escape from the VM2 sandbox and execute arbitrary commands on the host system. This issue has been patched in version 3.11.4.

Affected products

• patriksimek vm2: before 3.11.4

References

• https://github.com/patriksimek/vm2/commit/a462655009669c3124ee39498121651597529ea8
• https://github.com/patriksimek/vm2/releases/tag/v3.11.4
• https://github.com/patriksimek/vm2/security/advisories/GHSA-76w7-j9cq-rx2j
• https://github.com/patriksimek/vm2/security/advisories/GHSA-76w7-j9cq-rx2j

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