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HIGHCVE-2026-34911Published Modified CNA hackerone

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

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.

Metrics

CVSS v3.1
7.7
Severity
HIGH
Fixed in
5.0.8
Affected Products
31

Fix available

5.0.85.1.105.1.115.1.12
Affected packages
  • Ubiquiti Inc / UniFi OS Server
    < 5.0.8 (from 0)
  • Ubiquiti Inc / UDM
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDM-Pro
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDM-SE
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDM-Pro-Max
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDM-Beast
    < 5.1.11 (from 0)
  • Ubiquiti Inc / EFG
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDW
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDR
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDR7
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UDR-5G
    < 5.1.12 (from 0)
  • Ubiquiti Inc / Express 7
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UNVR
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UNVR-Pro
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UNVR-Instant
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UNVR-G2
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UNVR-G2-Pro
    < 5.1.12 (from 0)
  • Ubiquiti Inc / ENVR
    < 5.1.12 (from 0)
  • Ubiquiti Inc / ENVR-Core
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UNAS-2
    < 5.1.10 (from 0)
  • Ubiquiti Inc / UNAS-4
    < 5.1.10 (from 0)
  • Ubiquiti Inc / UNAS-Pro
    < 5.1.10 (from 0)
  • Ubiquiti Inc / UNAS-Pro-4
    < 5.1.10 (from 0)
  • Ubiquiti Inc / UNAS-Pro-8
    < 5.1.10 (from 0)
  • Ubiquiti Inc / UCKP
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UCK
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UCK-Enterprise
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UCG-Ultra
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UCG-Max
    < 5.1.12 (from 0)
  • Ubiquiti Inc / UCG-Fiber
    < 5.1.12 (from 0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N