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Apache Cloudstack CVEs.

Published CVEs affecting Apache Cloudstack, ranked by exploit odds.

5 CVEs · updated 2026-11-06 12:11 UTC

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  1. CVE-2026-66722

    Improper authorization for CRUD operations on Project Roles and Project Role permissions for domain admins in CloudStack. A Domain Admin can create, update, delete, and list project roles and project role permissions for projects in any domain, not just their own. The check only confirms the caller is a Domain Admin, without verifying whether the target project belongs to their domain or subdomain. This allows a malicious Domain Admin to tamper with project roles and permissions across unrelated domains. This issue affects Apache CloudStack: from 4.15.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

    Other Server Apache Cloudstack

    7.2 HIGH 0.6% exploit odds Fix listed
  2. CVE-2026-61398

    Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Instance Reset Password functionality. This issue affects Apache CloudStack: from 4.15.1.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

    Other Server Apache Cloudstack

    9.1 CRITICAL 0.6% exploit odds Fix listed
  3. CVE-2026-61399

    Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Lock User Functionality. This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

    Other Server Apache Cloudstack

    4.8 MEDIUM 0.5% exploit odds Fix listed
  4. CVE-2025-66467

    Missing MinIO policy cleanup on bucket deletion via Apache CloudStack allows users to retain access to buckets which they previously owned. If another user creates a new bucket with the same name, the previous owners can gain unauthorized read and write access to it by using the previously generated access and secret keys. Users are recommended to upgrade to Apache CloudStack versions 4.20.3.0 or 4.22.0.1, or later, which fixes this issue.

    Other Server Apache Cloudstack

    8.0 HIGH 0.4% exploit odds Fix listed
  5. CVE-2026-59657

    Cleartext Storage of Sensitive Information vulnerability in Apache CloudStack with AsyncJob storage in the database. This issue affects Apache CloudStack: from 4.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

    Other Server Apache Cloudstack

    7.5 HIGH 0.3% exploit odds Fix listed

All CVEs affecting Apache Cloudstack that appear in CVE.org and NVD, sorted by how likely they are to be exploited (EPSS), with fix status and timeline.