CVE-2026-34909
CVSS Score
10.0
EPSS Score
0.0%
EPSS Percentile
7th
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account.
| CWE | CWE-22 |
| Vendor | ubiquiti inc |
| Product | unifi os server |
| Published | May 22, 2026 |
| Last Updated | May 22, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Ubiquiti Inc / UniFi OS Server
0 < 5.0.8
Ubiquiti Inc / Express
0 < 4.0.14
Ubiquiti Inc / UDM
0 < 5.1.12
Ubiquiti Inc / UDM-Pro
0 < 5.1.12
Ubiquiti Inc / UDM-SE
0 < 5.1.12
Ubiquiti Inc / UDM-Pro-Max
0 < 5.1.12
Ubiquiti Inc / UDM-Beast
0 < 5.1.11
Ubiquiti Inc / EFG
0 < 5.1.12
Ubiquiti Inc / UDW
0 < 5.1.12
Ubiquiti Inc / UDR
0 < 5.1.12
Ubiquiti Inc / UDR7
0 < 5.1.12
Ubiquiti Inc / UDR-5G
0 < 5.1.12
Ubiquiti Inc / Express 7
0 < 5.1.12
Ubiquiti Inc / UNVR
0 < 5.1.12
Ubiquiti Inc / UNVR-Pro
0 < 5.1.12
Ubiquiti Inc / UNVR-Instant
0 < 5.1.12
Ubiquiti Inc / UNVR-G2
0 < 5.1.12
Ubiquiti Inc / UNVR-G2-Pro
0 < 5.1.12
Ubiquiti Inc / ENVR
0 < 5.1.12
Ubiquiti Inc / ENVR-Core
0 < 5.1.12
Ubiquiti Inc / UNAS-2
0 < 5.1.10
Ubiquiti Inc / UNAS-4
0 < 5.1.10
Ubiquiti Inc / UNAS-Pro
0 < 5.1.10
Ubiquiti Inc / UNAS-Pro-4
0 < 5.1.10
Ubiquiti Inc / UNAS-Pro-8
0 < 5.1.10
Ubiquiti Inc / UCKP
0 < 5.1.12
Ubiquiti Inc / UCK
0 < 5.1.12
Ubiquiti Inc / UCK-Enterprise
0 < 5.1.12
Ubiquiti Inc / UCG-Ultra
0 < 5.1.12
Ubiquiti Inc / UCG-Max
0 < 5.1.12
Ubiquiti Inc / UCG-Fiber
0 < 5.1.12
Ubiquiti Inc / UCG-Industrial
0 < 5.1.12