Back to overview

CVE-2026-54403

HIGH
8.6
CVSS 3.1
Description
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.

Metadata

CVE ID
CVE-2026-54403
State
PUBLISHED
Assigner
hackerone
Reserved
2026-06-13 15:00 UTC
Published
2026-07-02 14:49 UTC
Last updated
2026-07-02 16:09 UTC
Primary CWE
CWE-22
CWE-22 Path Traversal
Vendor / Product
Ubiquiti Inc / UniFi OS Server
Sources
cve.org  ·  NVD

Severity & Metrics

8.6 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
partial
Affected products (12)
VendorProductPlatformVersions
Ubiquiti Inc Cloud Gateways — 0 < 5.1.19
Ubiquiti Inc Cloud Keys — 0 < 5.1.19
Ubiquiti Inc Dream Machines — 0 < 5.1.19
Ubiquiti Inc Dream Routers — 0 < 5.1.19
Ubiquiti Inc Dream Wall — 0 < 5.1.19
Ubiquiti Inc Enterprise Firewall Core — 0 < 5.1.19
Ubiquiti Inc Enterprise Fortress Gateway — 0 < 5.1.19
Ubiquiti Inc Enterprise Video Recorders — 0 < 5.1.19
Ubiquiti Inc Express 7 — 0 < 5.1.19
Ubiquiti Inc Network Attached Storage — 0 < 5.1.19
Ubiquiti Inc Network Video Recorders — 0 < 5.1.19
Ubiquiti Inc UniFi OS Server — 0 < 5.1.19
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22 Path Traversal
CVSS scores (1)
ScoreSeverityVersionSourceVector
8.6 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
References (1)
Back to overview