Ubiquiti UniFi OS Server prior 5.1.19 sql injection

Summaryinfo

A vulnerability was found 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. It has been declared as critical. Affected by this issue is some unknown functionality. The manipulation results in sql injection. This vulnerability was named CVE-2026-54404. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found 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. Affected is some unknown processing. The manipulation with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A malicious actor with access to the network and low privileges could exploit a series of authenticated SQL Injection vulnerabilities found in UniFi OS to escalate privileges within such UniFi OS devices or instances.

The advisory is shared for download at community.ui.com. This vulnerability is traded as CVE-2026-54404 since 06/13/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1505.

Upgrading to version 5.1.19 eliminates this vulnerability. The upgrade is hosted for download at community.ui.com.

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Productinfo

Type

• Network Attached Storage Software

Vendor

• Ubiquiti

Name

• Cloud Gateways
• Cloud Keys
• Dream Machines
• Dream Routers
• Dream Wall
• Enterprise Firewall Core
• Enterprise Fortress Gateway
• Enterprise Video Recorders
• Express 7
• Network Attached Storage
• Network Video Recorders
• UniFi OS Server

License

• commercial

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