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CVE-2026-34909 Critique

Ubiquiti UniFi OS Path Traversal Vulnerability.

Ubiquiti · UniFi OS

Exploitabilité (EPSS)
68 %
percentile mondial 99
Sévérité (CVSS)
10
CVSS v3.1
Ajoutée au KEV
23 juin 2026
échéance CISA · 26 juin 2026
Description

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.

Action requise (CISA)

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.

Familles de faiblesses
CWE-22 · Traversée de répertoire
Signal de priorisation (d’inspiration SSVC)
Agir en priorité
Exploitation
Active (catalogue KEV)
Automatisable
Oui
Impact technique
Total

Une orientation, pas une décision : le 4ᵉ facteur SSVC (impact mission/société) dépend du contexte de votre organisation. Méthode ↗

Autres vulnérabilités exploitées · Ubiquiti
CVE-2026-34910 90% CVE-2026-34908 88% CVE-2010-5330 40%
NVD ↗ CVE.org ↗ CISA KEV ↗