CVE-2026-22559
Quick assessment
Affected
Ubiquiti Inc UniFi Network Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Ubiquiti UniFi Network Server是美国优比快（Ubiquiti）公司的一款网络设备管理软件。 UniFi Network Server 10.1.85及之前版本存在安全漏洞，该漏洞源于输入验证不当，可能导致未经授权访问账户。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1078 · Valid Accounts T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-22559
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access to an account if the account owner is socially engineered into clicking a malicious link.
Affected Products:
UniFi Network Server (Version 10.1.85 and earlier)
Mitigation:
Update UniFi Network Server to Version 10.1.89 or later.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Ubiquiti UniFi Network Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubiquiti UniFi Network Server是美国优比快（Ubiquiti）公司的一款网络设备管理软件。 UniFi Network Server 10.1.85及之前版本存在安全漏洞，该漏洞源于输入验证不当，可能导致未经授权访问账户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Ubiquiti Inc | UniFi Network Server | 10.1.89 ~ 10.1.89 | - |
|
II. Public POCs for CVE-2026-22559
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-22559 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-22559
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