๐Ÿ” CVE Alert

CVE-2026-47369

CRITICAL 9.9
CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th

A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.

CWE CWE-20
Vendor ubiquiti inc
Product unifi os server
Published Jun 12, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/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 < 5.1.15
Ubiquiti Inc / Express
0 < 4.0.15
Ubiquiti Inc / UDM
0 < 5.1.15
Ubiquiti Inc / UDM-Pro
0 < 5.1.15
Ubiquiti Inc / UDM-SE
0 < 5.1.15
Ubiquiti Inc / UDM-Pro-Max
0 < 5.1.15
Ubiquiti Inc / UDM-Beast
0 < 5.1.15
Ubiquiti Inc / EFG
0 < 5.1.15
Ubiquiti Inc / UDW
0 < 5.1.15
Ubiquiti Inc / UDR
0 < 5.1.15
Ubiquiti Inc / UDR7
0 < 5.1.15
Ubiquiti Inc / UDR-5G
0 < 5.1.15
Ubiquiti Inc / Express 7
0 < 5.1.15
Ubiquiti Inc / UNVR
0 < 5.1.15
Ubiquiti Inc / UNVR-Pro
0 < 5.1.15
Ubiquiti Inc / UNVR-Instant
0 < 5.1.15
Ubiquiti Inc / UNVR-G2
0 < 5.1.15
Ubiquiti Inc / UNVR-G2-Pro
0 < 5.1.15
Ubiquiti Inc / ENVR
0 < 5.1.15
Ubiquiti Inc / ENVR-Core
0 < 5.1.15
Ubiquiti Inc / UNAS-2
0 < 5.1.16
Ubiquiti Inc / UNAS-4
0 < 5.1.16
Ubiquiti Inc / UNAS-Pro
0 < 5.1.16
Ubiquiti Inc / UNAS-Pro-4
0 < 5.1.16
Ubiquiti Inc / UNAS-Pro-8
0 < 5.1.16
Ubiquiti Inc / UCKP
0 < 5.1.15
Ubiquiti Inc / UCK
0 < 5.1.15
Ubiquiti Inc / UCK-Enterprise
0 < 5.1.15
Ubiquiti Inc / UCG-Ultra
0 < 5.1.15
Ubiquiti Inc / UCG-Max
0 < 5.1.15
Ubiquiti Inc / UCG-Fiber
0 < 5.1.15
Ubiquiti Inc / UCG-Industrial
0 < 5.1.15

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
community.ui.com: https://community.ui.com/releases/Security-Advisory-Bulletin-065-065/aa46a22b-fc43-4eae-9382-6fc8feda967a