CVE-2026-34911: ubiquiti inc efg Path Traversal

Vulnerability summary

CVE-2026-34911 is a high (CVSS 7.7) Path Traversal vulnerability in ubiquiti inc efg. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.2% of scored vulnerabilities.

Timeline

1. 22-05-2026
   PublishedVulnerability first disclosed.
2. 22-05-2026
   Last modifiedVulnerability information updated.

Description

A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.

• 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.