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긴급도 55/100 심각도 미평가 · 미평가 악용확률 14.1% CISA KEV · 2026-09-16

CVE-2026-87886

CISA 기관 조치 기한: 2026-09-19

Acronis Backup

Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.
KEV 필수 조치: 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.
타임라인
  1. 첫 보도 BleepingComputer · Acronis, 자사 cPanel 백업 플러그인의 취약점이 활발히 악용되…
  2. CISA KEV 등재(실제 악용 확인)
  3. 최근 보도 (총 2건) The Hacker News · 표적 공격에서 악용된 Acronis cPanel 백업 플러그인 취약점
  4. CISA 기관 조치 기한 경과

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