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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

References
Link Providers
https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc cve-icon
History

Thu, 09 Jul 2026 05:45:00 +0000

Type Values Removed Values Added
Title Authentication Bypass via Path Traversal in UniFi OS

Wed, 08 Jul 2026 12:15:00 +0000

Type Values Removed Values Added
Title Authentication Bypass via Path Traversal in UniFi OS

Tue, 07 Jul 2026 13:15:00 +0000

Type Values Removed Values Added
Title Path Traversal Vulnerability in UniFi OS Enables Authentication Bypass

Tue, 07 Jul 2026 00:00:00 +0000

Type Values Removed Values Added
Title Path Traversal Vulnerability in UniFi OS Enables Authentication Bypass

Mon, 06 Jul 2026 11:15:00 +0000

Type Values Removed Values Added
Title Path Traversal Vulnerability in Ubiquiti UniFi OS Enabling Authentication Bypass

Sun, 05 Jul 2026 18:00:00 +0000

Type Values Removed Values Added
Title Path Traversal Vulnerability in Ubiquiti UniFi OS Enabling Authentication Bypass

Sun, 05 Jul 2026 10:00:00 +0000

Type Values Removed Values Added
Title Path Traversal for Authentication Bypass in Ubiquiti UniFi OS

Sun, 05 Jul 2026 02:00:00 +0000

Type Values Removed Values Added
Title Path Traversal for Authentication Bypass in Ubiquiti UniFi OS

Sat, 04 Jul 2026 13:00:00 +0000

Type Values Removed Values Added
Title Path Traversal Enables Authentication Bypass on Ubiquiti Unifi OS Devices

Fri, 03 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Title Path Traversal Enables Authentication Bypass on Ubiquiti Unifi OS Devices

Fri, 03 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Title UniFi OS Path Traversal Authentication Bypass Vulnerability

Fri, 03 Jul 2026 06:30:00 +0000

Type Values Removed Values Added
Title UniFi OS Path Traversal Authentication Bypass Vulnerability

Thu, 02 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 02 Jul 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2026-07-02T14:49:16.633Z

Updated: 2026-07-02T16:09:42.714Z

Reserved: 2026-06-13T15:00:00.604Z

Link: CVE-2026-54403

cve-icon Vulnrichment

Updated: 2026-07-02T16:09:39.664Z

cve-icon NVD

No data.

cve-icon Redhat

No data.