Ubiquiti has released security updates to address several critical security flaws, led by CVE-2026-50746, a maximum-severity UniFi OS vulnerability with a CVSS score of 10.0. Published in Security Advisory Bulletin 066 on July 2, 2026, the update resolves 25 vulnerabilities affecting UniFi OS and multiple applications, including UniFi Connect, Talk, Access, Protect, and Network. 
CVE-2026-50746 Tops List of Critical UniFi OS Vulnerability Patches 
The most severe issue, CVE-2026-50746, affects UniFi Connect Application versions 3.4.16 and earlier. The software is used to manage commercial building operations, including smart LED lighting systems and electric vehicle chargers, from a centrali...