Critical security alert graphic for Ubiquiti UniFi OS patches

Ubiquiti Releases Critical UniFi OS Patches: Update Before the Holiday Weekend

Ubiquiti shipped security updates this week addressing five vulnerabilities in UniFi OS, three of which carry maximum severity ratings. If you have UniFi Consoles or other UniFi OS-based devices in your environment, this is not one to let sit over a long weekend. What Was Patched The three maximum-severity flaws are: CVE-2026-34908 targets an Improper Access Control weakness that allows remote, unauthenticated attackers to make unauthorized changes to affected systems. ...

May 22, 2026 · 3 min · 492 words · John Shelton