CVE-2026-54408: UI UniFi Protect

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to bypass authentication for data streaming.

Affected products

• UI UniFi Protect: before 7.1.83 (fixed in 7.1.83)

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