VulnCheck KEV: CVE-2026-56270

Flowise before 3.1.0 versions 3.0.13 and earlier contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint that allows unauthenticated users to retrieve an organization's complete SSO configuration, including OAuth client secrets in cleartext, by providing an...

CVE-2026-56270: Missing Authentication for Critical Function

Flowise before 3.1.0 versions 3.0.13 and earlier contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint that allows unauthenticated users to retrieve an organization's complete SSO configuration, including OAuth client secrets in cleartext, by providing an...

PT-2026-35299

Summary I have discovered a critical Missing Authentication vulnerability on the /api/v1/loginmethod endpoint. The API allows unauthenticated users guests to retrieve the full SSO configuration of any organization by simply providing an organizationId. The response includes sensitive OAuth...