Vulnerability Intelligence Report
CVE-2026-54403
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.
No Active Exploit Signals
CVSS Base Score
8.6
HIGH
Exploitability:3.9
Impact Score:4.0
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-22 ↗CWE-22 Path Traversal
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Ubiquiti Inc | UniFi OS Server | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Dream Machines | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Enterprise Fortress Gateway | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Dream Wall | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Dream Routers | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Express 7 | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Cloud Keys | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Network Video Recorders | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Enterprise Video Recorders | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Cloud Gateways | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Network Attached Storage | 0 < 5.1.19 (affected) |
| Ubiquiti Inc | Enterprise Firewall Core | 0 < 5.1.19 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | HackerOne · Bug Bounty Provider · USA |
| Reserved | 2026-06-13T15:00:00 |
| Published | 2026-07-02T14:49:16 |
| Last Updated | 2026-07-02T16:09:42 |
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