Check Point Advisories

SiYuan Information Disclosure (CVE-2026-54068)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-9715
Date Published:	3 Aug 2026
Severity:	High
Last Updated:	Monday 03 August, 2026
Source:
Industry Reference:	CVE-2026-54068
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	SiYuan < 3.7.0
Vulnerability Description	An information disclosure vulnerability in SiYuan allows unauthenticated network-adjacent attackers to exfiltrate user note content, tags, asset references, and block attributes from the database by exploiting the /api/icon/getDynamicIcon endpoint.

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 SiYuan Information Disclosure (CVE-2026-54068) 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: Application Servers Protection Violation.
Attack Information: SiYuan Information Disclosure (CVE-2026-54068)