Status: KEV | Advisory ID: CVE-2026-34909
| CVE | CVE-2026-34909 |
| Affected products | Ubiquiti UniFi OS |
| Exploitation status | Listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation. |
| Classified as | CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) |
| KEV listing | Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-06-23. |
| Exploitation prediction (EPSS) | 65% probability of exploitation in the next 30 days (99% percentile) -- FIRST.org's EPSS model. |
| Federal remediation deadline | 2026-06-26 (CISA KEV, Binding Operational Directive). |
Ubiquiti UniFi OS contains a path traversal vulnerability which could allow a malicious actor with access to the network to access files on the underlying system that could be manipulated to access an underlying account.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-34909 |