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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 13 Aug 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Flowise before 3.1.4 Credential Abuse via Text-to-Speech | |
| First Time appeared |
Flowiseai
Flowiseai flowise |
|
| Weaknesses | CWE-862 | |
| CPEs | cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Flowiseai
Flowiseai flowise |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-13T11:28:09.428Z
Reserved: 2026-08-13T11:15:12.096Z
Link: CVE-2026-73603
No data.
Status : Received
Published: 2026-08-13T12:17:24.617
Modified: 2026-08-13T12:17:24.617
Link: CVE-2026-73603
No data.
OpenCVE Enrichment
Updated: 2026-08-13T13:15:04Z
Weaknesses