CVE-2026-22557: ubiquiti inc. unifi network application Path Traversal

Vulnerability summary

CVE-2026-22557 is a critical (CVSS 10.0) Path Traversal vulnerability in ubiquiti inc. unifi network application. EPSS estimates a 28.12% chance of exploitation in the next 30 days, higher than 98% of scored vulnerabilities.

Timeline

1. 19-03-2026
   PublishedVulnerability first disclosed.
2. 19-03-2026
   Last modifiedVulnerability information updated.

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.