Ubiquiti UniFi OS Path Traversal Vulnerability

CVE-2026-34909 Critical CVSS 10 In-The-Wild Exploited
Beranda Advisories CVE-2026-34909

Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026
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.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Seluruh pengelola server dan aplikasi di lingkungan OPD Kabupaten Ciamis diimbau untuk segera mengaudit perangkat terdampak dan mengaplikasikan patch sebelum batas waktu mitigasi.

Produk & Versi Terdampak

Produk Versi Basis Batas Terdampak Status Keamanan
UniFi OS Server 0 5.0.8 AFFECTED
Express 0 4.0.14 AFFECTED
UDM 0 5.1.12 AFFECTED
UDM-Pro 0 5.1.12 AFFECTED
UDM-SE 0 5.1.12 AFFECTED
UDM-Pro-Max 0 5.1.12 AFFECTED
UDM-Beast 0 5.1.11 AFFECTED
EFG 0 5.1.12 AFFECTED
UDW 0 5.1.12 AFFECTED
UDR 0 5.1.12 AFFECTED

Threat Intelligence Matrix

CVE Identifier
CVE-2026-34909
Vendor / Project Ubiquiti
Produk Terdampak UniFi OS
Skor CVSS
10 / 10.0
Status Eksploitasi AKTIF (In-The-Wild)
Kampanye Ransomware Tidak Diketahui
Automatable (Wormable) Unknown
Dampak Teknis Total
Sumber Intelijen CISA KEV

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