CVE-2026-92944

Fixed upstream EPSS <1%CVSS 9.8

vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.finally() bypasses vm2's wrapper protections due to a stale PromiseThenLookupChain protector in V8 14.6. Attackers can exploit this by creating an async function that returns a Promise with an attacker-controlled constructor Symbol.species, allowing them to reach the host Function constructor and process object for arbitrary code execution.

Published 2026-09-17 · CVE record · OSV

Products: patriksimek vm2

Fixed upstream