Vulnerability Intelligence Report
CVE-2026-55110
A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in UniFi OS using that user's session.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
Exploitability:1.7
Impact Score:5.9
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-942 ↗CWE-942 Permissive Cross-domain Policy with Untrusted Domains
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 | 2026-06-16T15:00:01 |
| Published | 2026-07-02T14:49:16 |
| Last Updated | 2026-07-02T15:52:20 |
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