CVE-2026-34911
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.
| CWE | CWE-22 |
| Vendor | ubiquiti inc |
| Product | unifi os server |
| Published | May 22, 2026 |
| Last Updated | May 22, 2026 |
Stay Ahead of the Next One
Get instant alerts for ubiquiti inc unifi os server
Be the first to know when new high vulnerabilities affecting ubiquiti inc unifi os server are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N 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 / 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