CVE-2026-92955
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.
- Published Sep 17, 2026
- CVSS 10.0 critical
- 0.7% chance of exploitation in the next 30 days (EPSS)
- A fix is available