CVE-2026-92955

CVSS 10.0 (critical) · published 2026-09-17

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.

Weakness: CWE-913

Source: NVD CVE-2026-92955

References

• https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85
• https://www.vulncheck.com/advisories/vm2-before-3.11.8-sandbox-escape-via-nodevm
• https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85

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