CVE-2026-62440

EUVD-2026-63835
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
UNKNOWN
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.22%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachecloudstack
4.21.0.0 ≤
𝑥
≤ 4.22.1.0
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc