Check Point Advisories

Ubiquiti UniFi Network Application Directory Traversal (CVE-2026-22557)

Check Point Reference: CPAI-2026-3764
Date Published: 30 Apr 2026
Severity: High
Last Updated: Monday 06 July, 2026
Source:
Industry Reference:CVE-2026-22557
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Ubiquiti UniFi Network application up to including version 10.1.85
Ubiquiti UniFi Network application up to including version 10.2.93
Ubiquiti UniFi Network application up to including version 9.0.114
Vulnerability Description A directory traversal vulnerability in Ubiquiti UniFi Network Application allows malicious actors with network access to exploit the vulnerability to access files on the underlying system, potentially leading to unauthorized account access.

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 Ubiquiti UniFi Network Application Directory Traversal (CVE-2026-22557) 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 Servers Protection Violation.
Attack Information:  Ubiquiti UniFi Network Application Directory Traversal (CVE-2026-22557)

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