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.
References
| Link | Resource |
|---|---|
| https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xm | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2026/05/09/1 | Mailing List Third Party Advisory |
Configurations
History
11 May 2026, 15:24
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:* | |
| First Time |
Apache
Apache cloudstack |
|
| References | () https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xm - Mailing List, Third Party Advisory | |
| References | () http://www.openwall.com/lists/oss-security/2026/05/09/1 - Mailing List, Third Party Advisory |
09 May 2026, 07:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
08 May 2026, 19:16
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 6.5 |
08 May 2026, 13:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-08 13:16
Updated : 2026-05-11 15:24
NVD link : CVE-2025-66170
Mitre link : CVE-2025-66170
CVE.ORG link : CVE-2025-66170
JSON object : View
Products Affected
apache
- cloudstack
CWE
CWE-863
Incorrect Authorization
