PT-2026-26169 · Ubiquiti · Unifi Network Application
Published
2026-03-18
·
Updated
2026-06-03
·
CVE-2026-22557
CVSS v3.1
10
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
UniFi Network Application versions prior to 10.1.89
Description
A Path Traversal issue exists due to improper restriction of directory path names. This allows an unauthenticated malicious actor with network access to access files on the underlying system. These files can be manipulated to obtain authentication credentials, leading to admin account takeover, privilege escalation, and lateral movement across managed network infrastructure.
Recommendations
Update to UniFi Network Application version 10.1.89 or later.
Restrict the management interface to a dedicated VLAN.
Audit admin accounts for unauthorized changes.
Enable MFA on all UniFi admin accounts.
Disable cloud access if not required.
Exploit
Fix
RCE
Path traversal
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Weakness Enumeration
Related Identifiers
Affected Products
Unifi Network Application