CVE-2026-54400

CriticalCVSS 9.1/10Last modified Aug 17, 2026

Description

A malicious actor with access to the network and high privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 2, 2026
Last modified
Aug 17, 2026
NVD status
Analyzed

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CVE-2026-54400: Critical severity, CVSS 9.1 | Vulnix