CVE-2026-22559: Ubiquiti Inc UniFi Network Server

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access to an account if the account owner is socially engineered into clicking a malicious link. Affected Products: UniFi Network Server (Version 10.1.85 and earlier) Mitigation: Update UniFi Network Server to Version 10.1.89 or later.

Affected products

• Ubiquiti Inc UniFi Network Server: before 10.1.89 (fixed in 10.1.89)

Published 2026-03-24. Last modified 2026-06-17.