CVE-2026-54403
Ubiquiti UniFi OS Path Traversal Authentication Bypass
Description
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in certain devices running UniFi OS to bypass authentication of such UniFi OS devices or instances.
INFO
Published Date :
July 2, 2026, 2:49 p.m.
Last Modified :
July 2, 2026, 2:49 p.m.
Remotely Exploit :
No
Source :
hackerone
Affected Products
The following products are affected by CVE-2026-54403
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update UniFi OS to the latest secure version.
- Apply vendor security patches immediately.
- Restrict network access to UniFi OS devices.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-54403 vulnerability anywhere in the article.