CVE-2026-92944
Critical · 9.8CVSS
9.8
EPSS
0.8%
Published
Sep 17, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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