Security Advisory

CVE-2026-73602

9.9
CRITICAL

Vulnerability Description

Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authenticated users to execute arbitrary code by exploiting moment locale validation bypass. Attackers can craft a fake String object with a match function that bypasses path traversal checks to load and execute malicious JavaScript files stored in the document store outside the sandbox.
Published Date August 13, 2026
Official Source NIST NVD Advisory