CVE-2026-41270 Flowise: SSRF Protection Bypass via Unprotected Built-in HTTP Modules in Custom Function Sandbox

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 HTTPDENYLIST for axios and...

CVE-2026-41270 Flowise: SSRF Protection Bypass via Unprotected Built-in HTTP Modules in Custom Function Sandbox

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 HTTPDENYLIST for axios and...

CVE-2026-41270

Flowise (drag‑and‑drop UI for building LLM flows) contains an SSRF protection bypass in the Custom Function sandbox prior to version 3.1.0. The app blocks SSRF via HTTP_DENY_LIST for axios and node-fetch, but it allows use of built‑in Node.js http, https, and net modules inside the NodeVM sandbox...

Flowise: SSRF Protection Bypass via Unprotected Built-in HTTP Modules in Custom Function Sandbox

Summary A Server-Side Request Forgery SSRF protection bypass vulnerability exists in the Custom Function feature. While the application implements SSRF protection via HTTPDENYLIST for axios and node-fetch libraries, the built-in Node.js http, https, and net modules are allowed in the NodeVM sandb...

GHSA-XHMJ-RG95-44HV Flowise: SSRF Protection Bypass via Unprotected Built-in HTTP Modules in Custom Function Sandbox

Summary A Server-Side Request Forgery SSRF protection bypass vulnerability exists in the Custom Function feature. While the application implements SSRF protection via HTTPDENYLIST for axios and node-fetch libraries, the built-in Node.js http, https, and net modules are allowed in the NodeVM sandb...