CVE-2026-54403: Ubiquiti Inc UniFi OS Server vulnerability
Ubiquiti Inc · UniFi OS Server
Vendor fix available · Affected: Ubiquiti Inc UniFi OS Server · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 56% of scored CVEs
DescriptionCVE.org
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.
Affected products12
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Ubiquiti Inc · UniFi OS Serverbefore 5.1.19
- Ubiquiti Inc · Dream Machinesbefore 5.1.19
- Ubiquiti Inc · Enterprise Fortress Gatewaybefore 5.1.19
- Ubiquiti Inc · Dream Wallbefore 5.1.19
- Ubiquiti Inc · Dream Routersbefore 5.1.19
- Ubiquiti Inc · Express 7before 5.1.19
- Ubiquiti Inc · Cloud Keysbefore 5.1.19
- Ubiquiti Inc · Network Video Recordersbefore 5.1.19
- Ubiquiti Inc · Enterprise Video Recordersbefore 5.1.19
- Ubiquiti Inc · Cloud Gatewaysbefore 5.1.19
- Ubiquiti Inc · Network Attached Storagebefore 5.1.19
- Ubiquiti Inc · Enterprise Firewall Corebefore 5.1.19
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Ubiquiti Inc
- Published
- July 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-54403 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.