CVE-2026-46442 Flowise: Authenticated Host RCE via POST /api/v1/node-custom-function and NodeVM Sandbox Escape

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, POST /api/v1/node-custom-function lacks route-level authorization, allowing any authenticated user or API key to submit arbitrary JavaScript to the Custom JS Function node. When...

Arbitrary Code Injection

Overview flowise-components is a Flowiseai Components Affected versions of this package are vulnerable to Arbitrary Code Injection via the node-custom-function endpoint when user-supplied JavaScript is executed in a NodeVM sandbox without sufficient route-level authorization. A user can execute...