UO
Product
UniFi OS Server
On CISA KEVExploited in the wild
20
CVEs
3
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 13High 6Medium 1Low 0
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Add UniFi OS Server to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-34910 In wildKEV | 10.0 | May 22 | Ubiquiti UniFi OS Improper Input Validation Vulnerability Affected: before 5.0.8 |
| CVE-2026-34908 In wildKEV | 10.0 | May 22 | Ubiquiti UniFi OS Improper Access Control Vulnerability Affected: before 5.0.8 |
| CVE-2026-34909 In wildKEV | 10.0 | May 22 | Ubiquiti UniFi OS Path Traversal Vulnerability Affected: before 5.0.8 |
| CVE-2026-77550 | 10.0 | Aug 26 | A malicious actor with access to the network could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass… Affected: before 5.1.37 |
| CVE-2026-77536 | 9.9 | Aug 26 | A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate… Affected: before 5.1.37 |
| CVE-2026-77534 | 9.9 | Aug 26 | A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate… Affected: before 5.1.37 |
| CVE-2026-47370 | 9.9 | Jun 12 | A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in certain devices running UniFi OS to execute a… Affected: before 5.1.15 |
| CVE-2026-47369 | 9.9 | Jun 12 | A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in certain devices running UniFi OS to escalate… Affected: before 5.1.15 |
| CVE-2026-77540 | 9.1 | Aug 26 | A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection… Affected: before 5.1.37 |
| CVE-2026-77539 | 9.1 | Aug 26 | A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection… Affected: before 5.1.37 |
| CVE-2026-33000 | 9.1 | May 22 | A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection Affected: before 5.0.8 |
| CVE-2026-77549 | 9.0 | Aug 26 | A malicious actor with access to the network and under certain conditions could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running… Affected: before 5.1.37 |
| CVE-2026-77545 | 9.0 | Aug 26 | A malicious actor with access to the network, low privileges and under certain conditions could exploit an Active Debug Code vulnerability found in certain devices running UniFi… Affected: before 5.1.37 |
| CVE-2026-54401 | 8.8 | 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: before 5.1.19 |
| CVE-2026-54402 | 8.8 | 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: before 5.1.19 |
| CVE-2026-54404 | 8.8 | 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: before 5.1.19 |
| CVE-2026-54403 | 8.6 | 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: before 5.1.19 |
| CVE-2026-47368 | 8.6 | Jun 12 | A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to obtain data from such UniFi OS devices or… Affected: before 5.1.15 |
| CVE-2026-34911 | 7.7 | 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 5.0.8 |
| CVE-2026-55110 | 6.1 | 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: before 5.1.19 |
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