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.

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History

Fri, 08 May 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache cloudstack
Vendors & Products Apache
Apache cloudstack

Fri, 08 May 2026 13:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache CloudStack: Any user can list backups that they should not have access to
Weaknesses CWE-863
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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-05-08T12:06:32.467Z

Reserved: 2025-11-22T19:26:03.523Z

Link: CVE-2025-66170

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-08T13:16:35.360

Modified: 2026-05-08T15:34:56.710

Link: CVE-2025-66170

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-08T15:30:05Z

Weaknesses