NPM: Flowise: Unauthenticated Property Injection into Flow Execution Context via Ungated `overrideConfig` Spread in Prediction API

NPM: Flowise: Unauthenticated Property Injection into Flow Execution Context via Ungated overrideConfig Spread in Prediction API vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.2...

CVE-2026-69258

Flowise before 3.1.3 is vulnerable: unauthenticated POST /api/v1/prediction/:id accepts an overrideConfig object that is blindly spread into internal flowConfig and flowData without validating apiOverrideStatus. This enables attackers to inject arbitrary properties into the flow execution context...