Description
Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Flowise | Flowise | ≤ 2.2.4 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | flowise | <= 2.2.7 | — | GHSA-h42x-xx2q-6v6g |
Advisories 1
- WID-SEC-2025-0568 Flowise: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Jun 25, 2026
References
- GitHub Security Advisory (GHSA-h42x-xx2q-6v6g) vendor-advisory
- VulnCheck Advisory: Flowise - Arbitrary File Upload via Unauthenticated /api/v1/attachments Endpoint third-party-advisory