CVE-2026-42457

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

CVE-2026-42457

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

CVE-2026-42457

Affected software: vCluster Platform. Component/issue: Stored XSS via the name field of a templateRef (root cause: stored XSS in templateRef name). Impact: could lead to arbitrary script execution in the platform’s browser context and, in the worst case, privilege escalation by creating a new Glo...

CVE-2026-42457 vCluster Platform: Stored XSS can lead to privilege escalation

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

CVE-2026-42457

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

CVE-2026-42457 vCluster Platform: Stored XSS can lead to privilege escalation

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

vCluster Platform Cross-Site Script Vulnerabilities

vCluster Platform is an open-source virtual cluster manager developed by vCluster. Versions prior to vCluster Platform 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0 contained a cross-site scripting vulnerability. This vulnerability stemmed from a storage-type cross-site scripting in the name field of the...

PT-2026-40945

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

CVE-2026-42457: Improper Neutralization of Input During Web Page Generation

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to 4.4.3, 4.5.5, 4.6.2, 4.7.1, and 4.8.0, there is a Stored XSS attack vulnerability via the name field of a templateRef. This can lead to the execution of arbitrary external...

CVE-2026-22806

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806 vCluster Platform's Access Keys Allows Access Beyond Scope

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806

CVE-2026-22806 affects vCluster Platform: prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, an access key with a limited scope could be bypassed to reach resources outside the scope, though access remains within the key owner’s permissions. Fixes are available in those versions (4.6.0, 4.5.4, 4....

EUVD-2026-4960

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806 vCluster Platform's Access Keys Allows Access Beyond Scope

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

CVE-2026-22806 vCluster Platform's Access Keys Allows Access Beyond Scope

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...

vCluster Platform security vulnerabilities

vCluster Platform is an open-source virtual cluster manager developed by vCluster. Vulnerabilities existed in versions prior to vCluster Platform 4.6.0, 4.5.4, 4.4.2, and 4.3.10. These vulnerabilities were due to a potential bypass of range restrictions, which could lead to access to resources th...

CVE-2026-22806: Incorrect Authorization

vCluster Platform provides a Kubernetes platform for managing virtual clusters, multi-tenancy, and cluster sharing. Prior to versions 4.6.0, 4.5.4, 4.4.2, and 4.3.10, when an access key is created with a limited scope, the scope can be bypassed to access resources outside of it. However, the user...