CVE-2026-77539: A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a…

PriorityP263critical9.1CVSS 3.1

AVNACLPRHUINSCCHIHAH

EPSS

1.29%

69.2th percentile

A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection on the host device.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
ubiquiti_inc	unifi_os_server	< 5.1.37	5.1.37

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