CVE-2026-55116

CriticalCVSS 9.8/10Last modified Jul 9, 2026

Description

A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
Ubiquiti IncDream Machines< 5.1.19
Ubiquiti IncEnterprise Fortress Gateway< 5.1.19
Ubiquiti IncDream Wall< 5.1.19
Ubiquiti IncDream Routers< 5.1.19
Ubiquiti IncExpress 7< 5.1.19
Ubiquiti IncCloud Gateways< 5.1.19
Ubiquiti IncEnterprise Firewall Core< 5.1.19

References

Timeline

Published
Jul 2, 2026
Last modified
Jul 9, 2026
NVD status
Undergoing Analysis

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