CVE-2026-56275Medium· 7.1▾ SunlitFlowise Execute Flow function has an SSRF vulnerability
▾ Sunlit zone — Low / medium · no exploitation signal
impact 39.1 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Sep 23.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
Last analysed / modified upstream
0.3%
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 detect internal network services
Then initiate the call:
POST /api/v1/prediction/d6739838-d3b3-43d9-86ff-911a3d757a7e HTTP/1.1
Host: 127.0.0.1:3000
Content-Type: application/json
Authorization: Bearer apikey
Content-Length: 17
{"question": "1"}
Server received a request:
<img width="1432" height="172" alt="f45c757fec408e13739db068252ff21b" src="https://github.com/user-attachments/assets/d3dfe0f5-83ec-4c79-ab32-754382a68d5f" />And there is an echo:
<img width="1280" height="666" alt="fa0caf0deb306cfeeea8fdf8941a287e" src="https://github.com/user-attachments/assets/55a94d25-120b-4e9c-9517-46c2fc2b667f" />Fix: Call secureFetch for verification
This is a Server-Side Request Forgery (SSRF) vulnerability that may lead to the following risks:
This vulnerability significantly increases the risk of internal service enumeration and potential lateral movement in enterprise environments.
flowise <= 3.0.13flowise-components <= 3.0.13Upgrade to a patched release:
flowise 3.1.0flowise-components 3.1.0Connected by shared product, vendor, weakness, or advisory.
GHSA-w4hm-rrxg-pxcfMedium· 7.1Duplicate Advisory: Flowise Execute Flow function has an SSRF vulnerability
CVE-2026-69257High· 8.6Flowise is a drag & drop user interface to build a customized large language model flow
CVE-2026-91935High· 8.3Flowise before 3.1.4 fails to validate baseURL parameters in chat-model nodes, allowing authenticated users to redirect requests to arbitrary hosts
CVE-2026-91938High· 7.1Flowise versions before 3.1.4 contain a server-side request forgery vulnerability in Cheerio, Playwright, and Puppeteer document loader nodes that bypass SSRF protection
CVE-2026-90580Medium· 6.3A vulnerability was found in FlowiseAI Flowise up to 3.0.2
GHSA-5w6g-rc45-wvv9Critical· 9.8Duplicate Advisory: Flowise OverrideConfig security vulnerability