Critical severity · published Sep 17, 2026
CVE-2026-92955
vm2 before 3.11.8 Sandbox Escape via NodeVM
10.0
CVSS
0.7%
EPSS
No
On KEV
Description
vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.
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)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VM
vm2 · patriksimek
before 3.11.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-92955
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-92955
github.com
https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85
www.vulncheck.com
https://www.vulncheck.com/advisories/vm2-before-3.11.8-sandbox-escape-via-nodevm
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CVE-2026-93603
vm2 before 3.12.1 Sandbox Escape RCE via Non-Strict Host Function
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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