CVE-2026-34909
Ubiquiti UniFi OS Path Traversal Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 10
- EPSS
- 2.27% 백분위 80.9% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.06.26
- 공개일
- 2026.05.22
CISA KEV에 등록된 실제 악용 확인 취약점
A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account.
공급사 Ubiquiti Inc
제품 UniFi OS Server, Express, UDM
영향 버전 0, < 5.0.8, < 5.1.12, < 5.1.11, < 5.1.10, < 4.0.14
수정 버전 5.0.8, 5.1.12, 5.1.11, 5.1.10, 4.0.14
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.
조치 기한: 2026.06.26CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-22
KEV 등록일 2026.06.23
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-34909
EPSS 데이터 기준일 2026.06.27