CVE-2026-55119: UI UniFi Talk Application

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Talk Application to escalate privileges within the UniFi Talk Application.

Affected products

• UI UniFi Talk Application: before 5.2.2 (fixed in 5.2.2)

Published 2026-07-02. Last modified 2026-07-09.