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CVE-2026-34909CISA KEV

Ubiquiti UniFi OS Path Traversal Vulnerability

CISA lists this Ubiquiti UniFi OS vulnerability as known exploited. The vendor's advisory has the fixed versions.

CISA KEVVendor advisoryNVD

CISA catalog record

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.

Product
UniFi OS
Added to KEV
23 Jun 2026
Federal remediation due
26 Jun 2026
Known ransomware use
Not reported

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

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Sources read 14 Oct 13:56 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current

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