CVE-2026-54402 | Ubiquiti UniFi OS Server prior 5.1.19 input validation
A vulnerability described as critical has been identified in Ubiquiti UniFi OS Server, Dream Machines, Enterprise Fortress Gateway, Dream Wall, Dream Routers, Express 7, Cloud Keys, Network Video Recorders, Enterprise Video Recorders, Cloud Gateways, Network Attached Storage and Enterprise Firewall Core. This issue affects some unknown processing. Executing a manipulation can lead to improper input validation.
This vulnerability is registered as CVE-2026-54402. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is recommended.