CVE-2026-56842 Missing authorization in UniFi Network Application

High 7.5 Published 2 Jul 2026 Updated 2 Jul 2026

An attacker with network access can retain unauthorized privileges in UniFi Network Application after access removal, requiring a patch to fix.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-56842?

CVE-2026-56842 is a high-severity missing authorization vulnerability in Ubiquiti Inc UniFi Network Application, published on 2 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A malicious actor with access to the network and under certain conditions could exploit an Incorrect Authorization vulnerability found in UniFi Network Application to persist privileges within UniFi Network Application after such access had been removed.

Weakness: CWE-863

Which versions are affected by CVE-2026-56842?

It affects 1 product.

Products include Ui Unifi Network Application.

How do I fix CVE-2026-56842?

No fix has been published for CVE-2026-56842 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-56842 being exploited?

There is no known exploitation of CVE-2026-56842 in the wild and no public exploit code.

Sources

Also known as GHSA-fhjm-rpqj-xm7m.