CVE-2026-22559 Open redirect in UniFi Network Server
Attackers can gain unauthorized account access by tricking users into clicking malicious links due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-22559?
CVE-2026-22559 is a high-severity vulnerability in Ubiquiti Inc UniFi Network Server, published on 24 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2026-22559?
How do I fix CVE-2026-22559?
No fix has been published for CVE-2026-22559 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-22559 being exploited?
There is no known exploitation of CVE-2026-22559 in the wild and no public exploit code.
Sources
Also known as GHSA-8m5g-mp2m-6hp8.