CVE-2026-22559
An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-22559- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-14988
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.
- Record
EUVD-2026-14988- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8m5g-mp2m-6hp8
An Improper Input Validation vulnerability in UniFi Network Server may allow unauthorized access...
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.
- Record
GHSA-8m5g-mp2m-6hp8- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-22559- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-22559 is a high vulnerability (CVSS 8.8) in Ubiquiti Inc Unifi Network Server, published March 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.