Critical severity · published May 4, 2026
CVE-2026-24120
vm2: Sandbox Breakout Through Promise Species
9.8
CVSS
0.9%
EPSS
No
On KEV
Description
vm2 is an open source vm/sandbox for Node.js. Prior to version 3.10.5, the fix for CVE-2023-37466 is insufficient and can be circumvented allowing 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 3.10.5.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VM
vm2 · patriksimek
< 3.10.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24120
Release Notes
https://github.com/patriksimek/vm2/releases/tag/v3.10.5
Exploit
https://github.com/patriksimek/vm2/security/advisories/GHSA-qvjj-29qf-hp7p
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-24120
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2466529
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24120.json
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