CVE-2026-73603 | BDVDB-2026-359115 Detail

Description#

Flowise before 3.1.4 fails to validate chatflow visibility in the unauthenticated text-to-speech endpoint, allowing attackers to abuse private chatflow TTS credentials. Unauthenticated attackers can generate unlimited text-to-speech audio using stored OpenAI or ElevenLabs API keys by providing a valid chatflow UUID, incurring costs on the chatflow owner's account.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-08-13Record published in the CVE List.
2. Version 22026-08-14Most recent update recorded in the CVE List.