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.
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Fixes
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Workaround
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References
History
Thu, 17 Sep 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | vm2 before 3.11.8 Sandbox Escape via NodeVM | |
| Weaknesses | CWE-913 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-17T14:23:35.469Z
Reserved: 2026-09-17T12:43:31.527Z
Link: CVE-2026-92955
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Status : Deferred
Published: 2026-09-17T14:18:01.480
Modified: 2026-09-17T14:18:01.593
Link: CVE-2026-92955
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OpenCVE Enrichment
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Weaknesses