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CVE-2026-47686

CRITICAL CVSS: 9.9 Published: 2026-08-17 Modified: 2026-08-19

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.6, handleException() in lib/setup-sandbox.js sanitizes SuppressedError.error, SuppressedError.suppressed, and AggregateError.errors but does not sanitize Error.cause, allowing sandbox code to obtain a powerful host object such as process from an embedder-exposed host function that throws an error with that object as its cause and then execute arbitrary host commands. This issue is fixed in version 3.11.6.

Affected Platforms

Unknown

Weakness Type

CWE-693

References