Flowise before 3.1.4 fails to validate baseURL parameters in chat-model nodes, allowing authenticated users to redirect requests to arbitrary hosts. Attackers with chatflows:create or chatflows:update permissions can exfiltrate LLM provider API keys by redirecting requests to cloud metadata services or internal hosts.
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Fixes

Solution

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Workaround

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History

Sun, 20 Sep 2026 01:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 15 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Description Flowise before 3.1.4 fails to validate baseURL parameters in chat-model nodes, allowing authenticated users to redirect requests to arbitrary hosts. Attackers with chatflows:create or chatflows:update permissions can exfiltrate LLM provider API keys by redirecting requests to cloud metadata services or internal hosts.
Title Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes
First Time appeared Flowiseai
Flowiseai flowise
Weaknesses CWE-918
CPEs cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*
Vendors & Products Flowiseai
Flowiseai flowise
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-20T00:35:29.975Z

Reserved: 2026-09-15T11:06:02.263Z

Link: CVE-2026-91935

cve-icon Vulnrichment

Updated: 2026-09-20T00:30:32.908Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-15T16:17:44.867

Modified: 2026-09-20T01:16:33.733

Link: CVE-2026-91935

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T16:45:07Z

Weaknesses