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CVE-2026-54400

CRITICAL
9.1
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-54400
State
PUBLISHED
Assigner
hackerone
Reserved
2026-06-13 15:00 UTC
Published
2026-07-02 14:49 UTC
Last updated
2026-07-02 16:11 UTC
Primary CWE
CWE-284
CWE-284 Improper Access Control - Generic
Vendor / Product
Ubiquiti Inc / UniFi Access Application
Sources
cve.org  ·  NVD

Severity & Metrics

9.1 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Ubiquiti Inc UniFi Access Application — 0 < 4.2.29
Weakness (CWE)
CWESourceDescription
CWE-284 cna CWE-284 Improper Access Control - Generic
CVSS scores (1)
ScoreSeverityVersionSourceVector
9.1 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
References (1)
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