CVE-2026-41279: Flowise Unauthenticated TTS Endpoint Accepts Arbitrary Credential IDs

# CVE-2026-41279: Flowise Unauthenticated TTS Endpoint Accepts Arbitrary Credential IDs

https://gcdradar.vercel.app/incidents/cve-2026-41279-flowise-unauthenticated-tts-endpoint-accepts · AIR-2026-0588 · closed 2026-04-17

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-17
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-41279
- CVSS: 8.2

## Summary

An unauthenticated text-to-speech endpoint in Flowise accepts arbitrary credential IDs, enabling potential API credit abuse via stored keys. A fix has been issued by the project maintainers.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-23: CVE-2026-41279: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-41279)
- 2026-04-17: CVE-2026-41279: Flowise: Unauthenticated TTS endpoint accepts arbitrary credential IDs — enables API credit abuse via stored credentials (https://github.com/advisories/GHSA-5fw2-mwhh-9947)

## Sources

- 2026-04-17 GitHub Advisory Database: CVE-2026-41279: Flowise: Unauthenticated TTS endpoint accepts arbitrary credential IDs — enables API credit abuse via stored credentials https://github.com/advisories/GHSA-5fw2-mwhh-9947
- 2026-04-23 NVD: CVE-2026-41279: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-41279

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.