CVE-2026-47370

CRITICAL

Ubiquiti INC UniFi OS Server - Improper Input Validation

Title source: rule

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.

References (1)

Core 1

Core References

https://community.ui.com/releases/Security-Advisory-Bulletin-065-065/aa46a22b-fc43-4eae-9382-6fc8feda967a

Scores

CVSS v3 9.9

EPSS 0.0083

EPSS Percentile 52.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-20

Status published

Products (32)

Ubiquiti Inc/EFG < 5.1.15

Ubiquiti Inc/ENVR < 5.1.15

Ubiquiti Inc/ENVR-Core < 5.1.15

Ubiquiti Inc/Express < 4.0.15

Ubiquiti Inc/Express 7 < 5.1.15

Ubiquiti Inc/UCG-Fiber < 5.1.15

Ubiquiti Inc/UCG-Industrial < 5.1.15

Ubiquiti Inc/UCG-Max < 5.1.15

Ubiquiti Inc/UCG-Ultra < 5.1.15

Ubiquiti Inc/UCK < 5.1.15

... and 22 more

Published Jun 12, 2026

Tracked Since Jun 12, 2026