vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM blocks several dangerous Node.js builtins such as module, worker_threads, cluster, vm, repl, and inspector. However, the denylist misses process and inspector/promises. Both can be used from sandboxed code to reach host-side execution primitives. This allows sandboxed code to bypass the intended builtin restrictions and execute code in the host process. This issue has been patched in version 3.11.4.
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Affected Vendors & Products
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Fri, 12 Jun 2026 17:30:00 +0000
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Fri, 12 Jun 2026 16:15:00 +0000
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| Description | vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM blocks several dangerous Node.js builtins such as module, worker_threads, cluster, vm, repl, and inspector. However, the denylist misses process and inspector/promises. Both can be used from sandboxed code to reach host-side execution primitives. This allows sandboxed code to bypass the intended builtin restrictions and execute code in the host process. This issue has been patched in version 3.11.4. | |
| Title | vm2: NodeVM builtin denylist bypass via process and inspector/promises allows host code execution | |
| Weaknesses | CWE-693 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-06-12T14:16:10.727Z
Updated: 2026-06-12T16:39:14.066Z
Reserved: 2026-05-18T19:50:18.696Z
Link: CVE-2026-47140
Updated: 2026-06-12T16:39:00.826Z
Status : Deferred
Published: 2026-06-12T15:16:28.400
Modified: 2026-06-12T17:16:23.830
Link: CVE-2026-47140
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