Path Traversal in Ubiquiti Inc Unifi Access Application

CVE-2026-55117

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi Access Application to access files on the host device.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-55117: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-55117?
CVE-2026-55117 is a high-severity vulnerability in Ubiquiti Inc Unifi Access Application, classified under Path Traversal. CVSS score: 8.6/10. Published 2026-07-02.
How severe is CVE-2026-55117?
High severity. CVSS v3 base score is 8.6 out of 10.