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Apache Cloudstack CVEs.

Published CVEs affecting Apache Cloudstack, ranked by exploit odds.

3 CVEs · updated 2026-11-06 11:12 UTC

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  1. CVE-2026-59799

    Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin allowing bypass of the two-factor authentication disable flow. This issue affects Apache CloudStack: from 4.18.0.0 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.

    Auth & access Web app Apache Cloudstack

    8.8 HIGH 0.6% exploit odds Fix listed
  2. CVE-2026-62440

    Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes cluster while adding and removing nodes. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.22.1.1 or later, which fixes the issue.

    Auth & access Web app Apache Cloudstack

    9.1 CRITICAL 0.5% exploit odds Fix listed
  3. CVE-2025-66170

    The CloudStack Backup plugin has an improper authorization logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and has access to specific APIs can list backups from any account in the environment. This vulnerability does not allow them to see the contents of the backup. Users are recommended to upgrade to version 4.22.0.1, which fixes the issue.

    Auth & access Web app Apache Cloudstack

    6.5 MEDIUM 0.5% 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.