CVE-2026-22559
Improper Input Validation in UniFi Network Server Enables Account Access
Publication date: 2026-03-24
Last updated on: 2026-03-24
Assigner: HackerOne
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ubiquiti | unifi_network_server | to 10.1.89 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an Improper Input Validation issue in the UniFi Network Server. It may allow an attacker to gain unauthorized access to a user's account if the account owner is tricked through social engineering into clicking a malicious link.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized access to user accounts, potentially compromising sensitive information and control over the affected UniFi Network Server.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to update the UniFi Network Server to Version 10.1.89 or later.