CVE WatchSep 28, 2026

CVE-2026-100610

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

CVSS

7.5

High

EPSS

0.3%

p28

KEV

—

Exploit Today

0-100

Published: Sep 26, 2026 · Last modified: Sep 28, 2026 · CWE-639

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-09-272026-10-25

Technical 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.

Official references

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