CVE-2026-22559

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductUniFi Network Server
PublishedMar 24, 2026
First seenMar 24, 2026

How to fix

Update
  • Ubiquiti Inc UniFi Network Server10.1.89 or later

Affected products

ProductAffected versionsFixed in
Ubiquiti Inc UniFi Network Server10.1.8910.1.89

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.