Critical severity · published Jun 12, 2026
CVE-2026-47208
vm2: Sandbox Breakout Using Promise Species
10.0
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VM
vm2 · patriksimek
< 3.11.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-47208
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-47208
github.com
https://github.com/patriksimek/vm2/commit/a462655009669c3124ee39498121651597529ea8
github.com
https://github.com/patriksimek/vm2/releases/tag/v3.11.4
github.com
https://github.com/patriksimek/vm2/security/advisories/GHSA-76w7-j9cq-rx2j
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CVE-2026-92960
vm2 before 3.11.6 Process-wide State Exposure via os and dns
10.0
CVE-2026-92956
vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming