Check Point Advisories

Flowise Information Disclosure (CVE-2026-56270)

Check Point Reference: CPAI-2026-10477
Date Published: 30 Aug 2026
Severity: High
Last Updated: Sunday 30 August, 2026
Source:
Industry Reference:CVE-2026-56270
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Flowise prior to 3.1.0
Vulnerability Description A information disclosure vulnerability in Flowise Flowise allows remote attackers to retrieve an organization's complete SSO configuration, including OAuth client secrets in cleartext, by sending a GET request to the /api/v1/loginmethod endpoint with an organizationId parameter. This affects FlowiseAI Cloud and self-hosted instances where the endpoint is exposed.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Flowise Information Disclosure (CVE-2026-56270) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Application Intelligence.
Attack Information:  Flowise Information Disclosure (CVE-2026-56270)

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