CVE-2026-92955

Critical

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.

SeverityCritical

CVSS10.0

Exploit probability—

ProductVm2

PublishedSep 17, 2026

First seenSep 17, 2026

Weakness typeCWE-913CWE-913

How to fix

Update

vm23.11.8 or later

Vendor advisories

github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85

Affected products

Product	Affected versions	Fixed in
vm2npm	v < 3.11.8	3.11.8

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