Description
Flowise through 3.1.4 exposes GET /api/v1/upsert-history/:id and PATCH /api/v1/upsert-history without route-level permission checks, and the backing service performs no workspace or ownership validation. getAllUpsertHistory() returns UpsertHistory rows selected solely by an attacker-supplied chatflowid, and patchDeleteUpsertHistory() deletes rows by an attacker-supplied array of record UUIDs. As a result, any authenticated low-privilege user or valid API key can read or delete document-store upsert history belonging to other users and other workspaces whenever the target chatflowId (which is exposed publicly in /chatbot/<chatflowId> share links) or row ids are known. The retrievable flowData and result fields contain embedding, record-manager and vector-store node configuration, including per-node paramValues. No patched version is available.
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-jvx3-mjpw-r4gh) vendor-advisory
- VulnCheck Advisory: Flowise through 3.1.4 Missing Authorization via upsert-history third-party-advisory