CVE-2026-54405: UI UniFi Network Application

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Network Application to execute a Denial of Service (DoS) attack on the application.

Affected products

  • UI UniFi Network Application: before 10.4.57 (fixed in 10.4.57)

Published 2026-07-02. Last modified 2026-07-02.