GHSA-5FW2-MWHH-9947 Flowise: Unauthenticated TTS endpoint accepts arbitrary credential IDs — enables API credit abuse via stored credentials

Summary The text-to-speech generation endpoint POST /api/v1/text-to-speech/generate is whitelisted no auth and accepts a credentialId directly in the request body. When called without a chatflowId, the endpoint uses the provided credentialId to decrypt the stored credential e.g., OpenAI or...