CVE-2026-47131

CriticalCVSS 10.0/10Last modified Oct 26, 2026

Description

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, by combining Buffer.call.call({}.__lookupGetter__, Buffer, "__proto__"), Buffer.call.call({}.__lookupSetter__, Buffer, "__proto__"), and Node.js's ERR_INVALID_ARG_TYPE Error, the host's TypeError constructor can be obtained, which allows the escape from the sandbox. This allows attackers to run arbitrary code. This issue has been patched in version 3.11.4.

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-913

Affected software

Vendor	Product	Versions
patriksimek	vm2	< 3.11.4

References

Timeline

Published: Jun 12, 2026
Last modified: Oct 26, 2026
NVD status: Deferred

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