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.
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Affected Vendors & Products
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History
Sat, 25 Apr 2026 02:15:00 +0000
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ssvc
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Fri, 24 Apr 2026 16:45:00 +0000
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Flowiseai
Flowiseai flowise |
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| CPEs | cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Flowiseai
Flowiseai flowise |
Thu, 23 Apr 2026 19:45:00 +0000
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| 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. | |
| Title | Flowise: SSRF Protection Bypass via Unprotected Built-in HTTP Modules in Custom Function Sandbox | |
| Weaknesses | CWE-284 CWE-918 |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-04-23T19:15:14.984Z
Updated: 2026-04-25T01:28:07.450Z
Reserved: 2026-04-18T14:01:46.801Z
Link: CVE-2026-41270
Updated: 2026-04-25T01:28:03.165Z
Status : Modified
Published: 2026-04-23T20:16:15.547
Modified: 2026-04-25T02:16:02.593
Link: CVE-2026-41270
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