High severity · published Jul 2, 2026
CVE-2026-54407
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to bypass authentication in certain UniFi…
8.6
CVSS
0.5%
EPSS
No
On KEV
Description
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to bypass authentication in certain UniFi Protect Application API endpoints.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
UniFi Protect Application · Ubiquiti Inc
before 7.1.83 · source: vendor
UP
Unifi Protect · UI
before 7.1.83 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-54407
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-54407
Vendor Advisory
https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc
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