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CVE-2026-47370

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 execute a Command Injection within such UniFi OS devices or instances.

Metadata

CVE ID
CVE-2026-47370
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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