Medium severity6.5NVD Advisory· Published May 8, 2026· Updated May 11, 2026
CVE-2025-66170
CVE-2025-66170
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.
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Affected products
1Patches
Vulnerability mechanics
References
2- www.openwall.com/lists/oss-security/2026/05/09/1nvdMailing ListThird Party Advisory
- lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xmnvdMailing ListThird Party Advisory
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