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CVE-2026-47369

CRITICAL
9.9
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-47369
State
PUBLISHED
Assigner
hackerone
Reserved
2026-05-19 15:00 UTC
Published
2026-06-12 02:27 UTC
Last updated
2026-06-13 03:55 UTC
Primary CWE
CWE-20
CWE-20 Improper Input Validation
Vendor / Product
Ubiquiti Inc / UniFi OS Server
Sources
cve.org  ·  NVD

Severity & Metrics

9.9 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (32)
VendorProductPlatformVersions
Ubiquiti Inc EFG — 0 < 5.1.15
Ubiquiti Inc ENVR — 0 < 5.1.15
Ubiquiti Inc ENVR-Core — 0 < 5.1.15
Ubiquiti Inc Express — 0 < 4.0.15
Ubiquiti Inc Express 7 — 0 < 5.1.15
Ubiquiti Inc UCG-Fiber — 0 < 5.1.15
Ubiquiti Inc UCG-Industrial — 0 < 5.1.15
Ubiquiti Inc UCG-Max — 0 < 5.1.15
Ubiquiti Inc UCG-Ultra — 0 < 5.1.15
Ubiquiti Inc UCK — 0 < 5.1.15
Ubiquiti Inc UCK-Enterprise — 0 < 5.1.15
Ubiquiti Inc UCKP — 0 < 5.1.15
Ubiquiti Inc UDM — 0 < 5.1.15
Ubiquiti Inc UDM-Beast — 0 < 5.1.15
Ubiquiti Inc UDM-Pro — 0 < 5.1.15
Ubiquiti Inc UDM-Pro-Max — 0 < 5.1.15
Ubiquiti Inc UDM-SE — 0 < 5.1.15
Ubiquiti Inc UDR — 0 < 5.1.15
Ubiquiti Inc UDR-5G — 0 < 5.1.15
Ubiquiti Inc UDR7 — 0 < 5.1.15
Ubiquiti Inc UDW — 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 UniFi OS Server — 0 < 5.1.15
Ubiquiti Inc UNVR — 0 < 5.1.15
Ubiquiti Inc UNVR-G2 — 0 < 5.1.15
Ubiquiti Inc UNVR-G2-Pro — 0 < 5.1.15
Ubiquiti Inc UNVR-Instant — 0 < 5.1.15
Ubiquiti Inc UNVR-Pro — 0 < 5.1.15
Weakness (CWE)
CWESourceDescription
CWE-20 cna CWE-20 Improper Input Validation
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.9 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References (1)
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