Description
Flowise through 3.1.4 contains missing route-level RBAC checks on chat message endpoints that allow low-privileged API keys to read and delete chat history. Attackers with valid but low-privileged API keys can access GET and DELETE chat message routes without required flow permissions to read chat histories, prompts, model responses, and delete messages.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FlowiseAI | Flowise | ≤ 3.1.4 | — |
Advisories 1
- WID-SEC-2026-3313 Flowise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 27, 2026
References
- GitHub Security Advisory (GHSA-ppmg-4cx6-95hh) vendor-advisory
- VulnCheck Advisory: Flowise through 3.1.4 Missing Authorization via Chat Message Routes third-party-advisory