CVE-2026-22557
CriticalA malicious actor with access to the network could exploit a Path Traversal vulnerability found in the UniFi Network Application to access files on the underlying system that could be manipulated to access an underlying account.
Published Mar 19, 2026 · Updated Mar 19, 2026
Key Facts
Patch in the next maintenance window- CVE-2026-22557 is a critical-severity vulnerability (CVSS 10.0 v3.1) affecting UniFi Network Application.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 28% probability of exploitation in the next 30 days.
- Fixed versions are available, including UniFi Network Application 10.1.89, UniFi Network Application 10.2.97, UniFi Network Application 9.0.118.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
CVSS v3.1
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
28%
Higher than 98.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in the UniFi Network Application to access files on the underlying system that could be manipulated to access an underlying account.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| UniFi Network Application | >= 10.1.89 | 10.1.89 |
Patched Releases
UniFi Network Application
10.1.89, 10.2.97, 9.0.118
Timeline
Publicly disclosed
Mar 19, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
FAQ
Common Questions.
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in the UniFi Network Application to access files on the underlying system that could be manipulated to access an underlying account.
Affected: UniFi Network Application versions >= 10.1.89. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including UniFi Network Application 10.1.89, UniFi Network Application 10.2.97, UniFi Network Application 9.0.118.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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