NPM: vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector

NPM: vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector vulnerability discovered by ? in WordPress Npm vm2 versions = 3.10.2, = 3.11.6...

GHSA-27G9-P43V-CW3V vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector

Reporter - Name or handle: YMsora - Report date: 2026-08-14 Summary The latest published vm2 release, 3.11.5, and the current main branch are vulnerable to a sandbox escape when used on Node.js 26. An ordinary fulfilled Promise created by an async function can retain an attacker-controlled...

EUVD-2026-81593

vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector...

vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector

Reporter - Name or handle: YMsora - Report date: 2026-08-14 Summary The latest published vm2 release, 3.11.5, and the current main branch are vulnerable to a sandbox escape when used on Node.js 26. An ordinary fulfilled Promise created by an async function can retain an attacker-controlled...

Duplicate Advisory: vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-27g9-p43v-cw3v. This link is maintained to preserve external references. Original Description vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.final...

GHSA-HWR5-CM8V-C76Q Duplicate Advisory: vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-27g9-p43v-cw3v. This link is maintained to preserve external references. Original Description vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.final...

CVE-2026-92944

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 wi...

CVE-2026-92944 vm2 3.10.2 through 3.11.6 Sandbox Escape via Promise Protector

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 wi...