UC
Product
Unifi Cloud Gateway Fiber Firmware
by UI · last CVE Jul 2, 2026
On CISA KEVExploited in the wild
10
CVEs
3
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 3High 6Medium 1Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-34910
In wildKEV
10.0
90%
May 22
Ubiquiti UniFi OS Improper Input Validation Vulnerability
Affected: before 5.1.12
CVE-2026-34908
In wildKEV
10.0
88%
May 22
Ubiquiti UniFi OS Improper Access Control Vulnerability
Affected: before 5.1.12
CVE-2026-34909
In wildKEV
10.0
68%
May 22
Ubiquiti UniFi OS Path Traversal Vulnerability
Affected: before 5.1.12
CVE-2026-55112
8.8
0%
Jul 2
A malicious actor with access to the network and low privileges and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi OS with UniFi…
Affected: through 5.1.15
CVE-2026-54401
8.8
0%
Jul 2
A malicious actor with access to the network and low privileges could exploit a Server-Side Request Forgery (SSRF) to escalate privileges within such UniFi OS devices or instances
Affected: through 5.1.15
CVE-2026-54402
8.8
2%
Jul 2
A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi OS to execute a Command Injection on the…
Affected: through 5.1.15
CVE-2026-54404
8.8
0%
Jul 2
A malicious actor with access to the network and low privileges could exploit a series of authenticated SQL Injection vulnerabilities found in UniFi OS to escalate privileges…
Affected: through 5.1.15
CVE-2026-54403
8.6
1%
Jul 2
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…
Affected: through 5.1.15
CVE-2026-34911
7.7
1%
May 22
A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system…
Affected: before 5.1.12
CVE-2026-55110
6.1
0%
Jul 2
A malicious actor who lures an authenticated user to a malicious page could exploit a Cross-Origin Resource Sharing (CORS) misconfiguration found in UniFi OS to trigger actions in…
Affected: through 5.1.15
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