Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes… (CVE-2026-62440)
An improper access control vulnerability exists in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing unauthorized cross-tenant manipulation of Kubernetes clusters during node addition and removal. This affects Apache CloudStack versions from 4.21.0.0 through 4.22.1.0. The issue is resolved in version 4.22.1.1 and later.
AI Analysis
Technical Summary
CVE-2026-62440 is an improper access control vulnerability in the Kubernetes Service (CKS) plugin of Apache CloudStack. It permits cross-tenant manipulation of Kubernetes clusters, specifically enabling unauthorized users to add or remove nodes in clusters belonging to other tenants. This vulnerability affects Apache CloudStack versions starting from 4.21.0.0 up to and including 4.22.1.0. The vendor has addressed this issue in version 4.22.1.1, which corrects the access control flaw.
Potential Impact
Exploitation of this vulnerability could allow an attacker with access to the Kubernetes Service plugin to manipulate Kubernetes clusters of other tenants, potentially disrupting cluster operations or causing unauthorized changes to cluster node configurations. This could lead to service disruption or unauthorized resource control within a multi-tenant environment.
Mitigation Recommendations
Users should upgrade Apache CloudStack to version 4.22.1.1 or later, where this improper access control vulnerability has been fixed. No other mitigation steps are indicated in the available data.
Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing cross-tenant manipulation of the Kubernetes… (CVE-2026-62440)
Description
An improper access control vulnerability exists in Apache CloudStack's Kubernetes Service (CKS) plugin, allowing unauthorized cross-tenant manipulation of Kubernetes clusters during node addition and removal. This affects Apache CloudStack versions from 4.21.0.0 through 4.22.1.0. The issue is resolved in version 4.22.1.1 and later.
Affected software
pkg:maven/org.apache.cloudstack/cloudstackRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-62440 is an improper access control vulnerability in the Kubernetes Service (CKS) plugin of Apache CloudStack. It permits cross-tenant manipulation of Kubernetes clusters, specifically enabling unauthorized users to add or remove nodes in clusters belonging to other tenants. This vulnerability affects Apache CloudStack versions starting from 4.21.0.0 up to and including 4.22.1.0. The vendor has addressed this issue in version 4.22.1.1, which corrects the access control flaw.
Potential Impact
Exploitation of this vulnerability could allow an attacker with access to the Kubernetes Service plugin to manipulate Kubernetes clusters of other tenants, potentially disrupting cluster operations or causing unauthorized changes to cluster node configurations. This could lead to service disruption or unauthorized resource control within a multi-tenant environment.
Mitigation Recommendations
Users should upgrade Apache CloudStack to version 4.22.1.1 or later, where this improper access control vulnerability has been fixed. No other mitigation steps are indicated in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-2vq4-5w2v-frrg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-62440"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a885f23acd9273b493f8093
Added to database: 08/21/2026, 14:22:27 UTC
Last enriched: 08/21/2026, 14:35:52 UTC
Last updated: 08/21/2026, 14:52:17 UTC
Views: 2
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