Flowise is a drag & drop user interface to build a customized large language model flow. Prior to August 2025 Cloud-Hosted Flowise, an authenticated vulnerability in Flowise Cloud allows any user on the free tier to access sensitive environment variables from other tenants via the Custom JavaScript Function node. This includes secrets such as OpenAI API keys, AWS credentials, Supabase tokens, and Google Cloud secrets — resulting in a full cross-tenant data exposure. This issue has been patched in the August 2025 Cloud-Hosted Flowise.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 22 Sep 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 22 Sep 2025 19:45:00 +0000

Type Values Removed Values Added
Description Flowise is a drag & drop user interface to build a customized large language model flow. Prior to August 2025 Cloud-Hosted Flowise, an authenticated vulnerability in Flowise Cloud allows any user on the free tier to access sensitive environment variables from other tenants via the Custom JavaScript Function node. This includes secrets such as OpenAI API keys, AWS credentials, Supabase tokens, and Google Cloud secrets — resulting in a full cross-tenant data exposure. This issue has been patched in the August 2025 Cloud-Hosted Flowise.
Title Critical Multi-Tenant Variable Disclosure in Flowise Cloud via Custom JavaScript Function
Weaknesses CWE-200
CWE-284
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-09-22T19:47:56.540Z

Reserved: 2025-09-15T19:13:16.906Z

Link: CVE-2025-59434

cve-icon Vulnrichment

Updated: 2025-09-22T19:47:30.339Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-22T20:15:39.017

Modified: 2025-09-22T21:22:16.313

Link: CVE-2025-59434

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.