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

10CRITICAL

Key Information:

Vendor

Patriksimek

Status
Vm2
Vendor
CVE Published:
12 June 2026

What is CVE-2026-47208?

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 Version(s)

vm2 < 3.11.4

References

https://github.com/patriksimek/vm2/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/patriksimek/vm2/commit/a462655009669c3...
x_refsource_MISC
https://github.com/patriksimek/vm2/releases/tag/v3.11.4
x_refsource_MISC

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.