CVE-2026-54403

HighCVSS 8.6/10Last modified Jul 10, 2026

Description

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.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-22

Affected software

VendorProductVersions
Ubiquiti IncUniFi OS Server< 5.1.19
Ubiquiti IncDream Machines< 5.1.19
Ubiquiti IncEnterprise Fortress Gateway< 5.1.19
Ubiquiti IncDream Wall< 5.1.19
Ubiquiti IncDream Routers< 5.1.19
Ubiquiti IncExpress 7< 5.1.19
Ubiquiti IncCloud Keys< 5.1.19
Ubiquiti IncNetwork Video Recorders< 5.1.19
Ubiquiti IncEnterprise Video Recorders< 5.1.19
Ubiquiti IncCloud Gateways< 5.1.19
Ubiquiti IncNetwork Attached Storage< 5.1.19
Ubiquiti IncEnterprise Firewall Core< 5.1.19

References

Timeline

Published
Jul 2, 2026
Last modified
Jul 10, 2026
NVD status
Analyzed

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CVE-2026-54403: High severity, CVSS 8.6 | Vulnix