CVE-2026-62440
Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation
- State
- Published
- Severity
- 9.1 Critical
- Published
- Aug 21, 2026
- Updated
- Aug 25, 2026
- Reserved
- Jul 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | CISA-ADP |
Weaknesses
- CWE-284 Improper Access Control
Affected Products
| Product | Versions |
|---|---|
Apache CloudStackApache Software Foundation |
|
References
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