CVE-2026-70473

Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows. Prior to 3.1.3, Flowise GET /api/v1/upsert-history returns the entire server-wide upsert history instead of being scoped to the requesting user, tenant, or workspace. The response can exceed 100MB and includes sensitive configuration data, including Vector Store settings such as Qdrant Server URL and collection name. The observed behavior indicates missing or insufficient authorization checks, workspace/project/tenant isolation, and pagination or limits, exposing integration parameters and infrastructure details that may enable further targeted attacks. This issue is fixed in version 3.1.3.

• CWE-200
• CWE-202
• CWE-862

• https://github.com/FlowiseAI/Flowise/commit/d81483b70c997ddf981acc9c49fbd9a02fa345cd
• https://github.com/FlowiseAI/Flowise/pull/6170
• https://github.com/FlowiseAI/Flowise/releases/tag/flowise@3.1.3
• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fr6g-7cq8-fg82
• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-fr6g-7cq8-fg82

Published

Aug 4, 2026

Last Modified

Aug 4, 2026

Status

Received

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