Duplicate Advisory: Flowise Execute Flow function has an SSRF vulnerability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9hrv-gvrv-6gf2. This link is maintained to preserve external references. Original Description Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows...

EUVD-2026-38435

Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud...

CVE-2026-56275

Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud...

CVE-2026-56275 Flowise - Server-Side Request Forgery via Execute Flow Base URL

Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud...

CVE-2026-56275 Flowise - Server-Side Request Forgery via Execute Flow Base URL

Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud...

PT-2026-51508

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.0 Description A server-side request forgery SSRF issue exists in the Execute Flow node. This occurs due to missing secureFetch verification in httpSecurity.ts, allowing attackers to bypass security validation by...

CVE-2026-56275: Server-Side Request Forgery (SSRF)

Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud...

PT-2026-35302

Summary The attacker provides an intranet address through the base url field configured in the Execute Flow node → Bypass checkDenyList / resolveAndValidate in httpSecurity.ts not called → Causes the server to initiate an HTTP request to any internal network address, read cloud metadata, or detec...