■ BLACK OCTOBER

CVE-2026-110447

Collabora Online – Built-in CODE Server OS Command Injection Vulnerability

CRITICAL / 緊急● 悪用確認済み(CISA KEV)

Collabora Collabora Online – Built-in CODE Server when used within the NextCloud platform contains an OS command injection vulnerability that allows for remote code execution when the CODE server isn't running.

影響製品・バージョン

  • collabora collabora online - built-in code server < 26.4.303

修正バージョン

  • 26.4.303

対応策

  • 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.

参考資料

  1. Known Exploited Vulnerabilities Catalog
    CISA公開日: 不明公的機関一次情報取得日: 2026-10-31

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