CVE-2026-41270

HighCVSS 8.3/10Last modified Jun 17, 2026

Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) protection bypass vulnerability exists in the Custom Function feature. While the application implements SSRF protection via HTTP_DENY_LIST for axios and node-fetch libraries, the built-in Node.js http, https, and net modules are allowed in the NodeVM sandbox without equivalent protection. This allows authenticated users to bypass SSRF controls and access internal network resources (e.g., cloud provider metadata services) This vulnerability is fixed in 3.1.0.

Metrics

CVSS 3.1 8.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 23, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-41270: High severity, CVSS 8.3 | Vulnix