What’s Vulnerable › Vulnerabilities

CVE-2026-55117

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-02 · updated 2026-10-25
• Weakness: CWE-22

Description

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.

Affected products

• Ubiquiti Inc UniFi Access Application: before 4.2.29 — fixed in 4.2.29

How to fix

Upgrade to a fixed version: Ubiquiti Inc UniFi Access Application 4.2.29. Check the vendor advisory for mitigations.

References

• https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc

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