CVE-2026-54403
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.
| CWE | CWE-22 |
| Vendor | ubiquiti inc |
| Product | unifi os server |
| Published | Jul 2, 2026 |
| Last Updated | Jul 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Ubiquiti Inc / UniFi OS Server
0 < 5.1.19
Ubiquiti Inc / Dream Machines
0 < 5.1.19
Ubiquiti Inc / Enterprise Fortress Gateway
0 < 5.1.19
Ubiquiti Inc / Dream Wall
0 < 5.1.19
Ubiquiti Inc / Dream Routers
0 < 5.1.19
Ubiquiti Inc / Express 7
0 < 5.1.19
Ubiquiti Inc / Cloud Keys
0 < 5.1.19
Ubiquiti Inc / Network Video Recorders
0 < 5.1.19
Ubiquiti Inc / Enterprise Video Recorders
0 < 5.1.19
Ubiquiti Inc / Cloud Gateways
0 < 5.1.19
Ubiquiti Inc / Network Attached Storage
0 < 5.1.19
Ubiquiti Inc / Enterprise Firewall Core
0 < 5.1.19