Disclosure summary
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.
Source-reported weakness categories
CWE-863
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-66170
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| apache | cloudstack | * {"versionStartIncluding":"4.21.0.0","versionEndExcluding":"4.22.0.1"} |
Original records & references
- NIST NVD record
- CVE Program record
- lists.apache.org — Mailing List, Third Party Advisory
PUBLISHED 2026-05-08T09:16:35-04:00
MODIFIED 2026-10-07T05:10:00-04:00
INGESTED 2026-10-08T12:40:22-04:00