CVE-2026-56270 Details.
Flowise <= 3.0.13 - Unauthenticated OAuth Configuration Disclosure
Atlas does not check this one. Needs a scripted sequence.
This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one.
About CVE-2026-56270. What It Means.
Flowise before 3.1.0 contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint, allowing unauthenticated remote attackers to retrieve an organization's complete SSO configuration including OAuth client secrets by providing an organizationId parameter.
Affected Product. What Is Hit.
- Vendor
- flowiseai
- Product
- Flowiseai Flowise
References. Where To Read More.
More CVEs In Flowiseai Flowise.
- CVE-2026-46442CriticalInformation onlyFlowise < 3.1.2 - node-custom-function Unauthorized RCEFlowiseaiCVSS9.9
- CVE-2026-69251CriticalInformation onlyFlowise < 3.1.3 - Remote Code ExecutionFlowiseaiCVSS9.0
- CVE-2026-30824HighInformation onlyFlowise - NVIDIA NIM Endpoints Missing AuthenticationFlowiseaiCVSS8.6
FAQ
Common Questions.
Flowise <= 3.0.13 - Unauthenticated OAuth Configuration Disclosure. Flowise before 3.1.0 contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint, allowing unauthenticated remote attackers to retrieve an organization's complete SSO configuration including OAuth client secrets by providing an organizationId parameter.
No. This check is a series of requests where each step depends on the last, often after logging in. Atlas runs single, read-only probes, so it does not run this one. The facts about CVE-2026-56270 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-56270 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Flowiseai Flowise to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-56270. Atlas does not run a check for it, so nothing here says whether a particular site is affected.