CVE-2026-54403

Name of the Vulnerable Software and Affected Versions UniFi OS (affected versions not specified)

Description A path traversal issue exists in certain devices running UniFi OS. A malicious actor with network access can exploit this to bypass authentication on the affected devices or instances. Path traversal is a flaw that allows an attacker to access files and directories that are stored outside the web root folder by manipulating variables that reference files with filenames and directory structures.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.