CVE-2026-54401 Server-side request forgery in Cloud Gateways

High 7.7 Published 2 Jul 2026 Updated 2 Jul 2026

Low-privilege attackers can exploit SSRF to escalate privileges on Ubiquiti UniFi OS devices and instances.

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-2026-54401?

CVE-2026-54401 is a high-severity server-side request forgery vulnerability in Ubiquiti Inc Cloud Gateways, 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 low privileges could exploit a Server-Side Request Forgery (SSRF) to escalate privileges within such UniFi OS devices or instances.

Weakness: CWE-918

Which versions are affected by CVE-2026-54401?

It affects 32 products.

Products include Ui Enterprise Firewall Core Firmware, Ui Enterprise Fortress Gateway Firmware, Ui Enterprise Network Video Recorder Core Firmware, Ui Enterprise Network Video Recorder Firmware, Ui Unas 2 Firmware, Ui Unas 4 Firmware and 26 more.

How do I fix CVE-2026-54401?

No fix has been published for CVE-2026-54401 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-54401 being exploited?

There is no known exploitation of CVE-2026-54401 in the wild and no public exploit code.

Sources

Also known as GHSA-j9mg-7mrv-2wwc.