SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-34911

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.

HIGH 7.7EPSS 0.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS
0.68% probability · 50th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
ui/unifi os server · ui/unifi cloud gateway industrial firmware · ui/unifi dream machine firmware · ui/unifi dream machine pro firmware · ui/unifi dream machine special edition firmware · ui/unifi dream machine pro max firmware · ui/enterprise fortress gateway firmware · ui/unifi dream wall firmware · ui/unifi dream router firmware · ui/unifi dream router 7 firmware · ui/unifi express 7 firmware · ui/unifi network video recorder firmware · ui/unifi network video recorder pro firmware · ui/unifi network video recorder instant firmware · ui/enterprise network video recorder firmware · ui/unifi cloud gateway ultra firmware · ui/unifi cloud gateway max firmware · ui/unifi cloud gateway fiber firmware · ui/unifi dream router 5g max firmware · ui/enterprise network video recorder core firmware · +11 more
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.