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Ubiquiti UniFi OS vulnerabilities: How to find impacted assets

ID: f2c2a146-4849-5382-8633-8207a411fbe1

STIX ID: report--f2c2a146-4849-5382-8633-8207a411fbe1

Feed Name: runZero Blog

Threat Score
75/100

Date Published: 2026-07-08

Date Updated: 2026-08-06

Author: Matthew Kienow

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**Ubiquiti UniFi OS vulnerabilities:** Multiple critical/high vulnerabilities (including CVE-2026-54402 rated 9.9 and CVE-2026-55116 rated 9.0) affecting UniFi OS versions 5.1.15/5.1.16/5.1.18 and earlier across Ubiquiti consoles and appliances can allow remote authentication bypass, privilege escalation, command injection, SQLi, SSRF and unauthorized configuration changes; users are advised to upgrade to UniFi OS 5.1.19 or later.

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