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CVE-2026-47210

CRITICAL
9.8
CVSS Severity Score
EPSS Score0.0690%
EPSS Percentile26.02th
PublishedJun 12, 2026
Last ModifiedJun 12, 2026

Vulnerability Description

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. This issue has been patched in version 3.11.4.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6
🔗 https://github.com/patriksimek/vm2/releases/tag/v3.11.4
🔗 https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q
🔗 https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q

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