Check Point Advisories

Dify Information Disclosure

Vulnerability
Protection

Check Point Reference:	CPAI-2026-5858
Date Published:	23 Dec 2025
Severity:	High
Last Updated:	Thursday 04 June, 2026
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Dify v1.9.1
Vulnerability Description	An information disclosure vulnerability in Dify allows unauthenticated attackers to access sensitive system configuration data by sending an HTTP request without proper authorization checks.

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

In the IPS tab, click Protections and find the Dify Information Disclosure protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: Dify Information Disclosure