CVE-2026-61399

Apache CloudStack is affected by an Improper Encoding or Escaping of Output vulnerability (classified as Cross-Site Scripting ) in the UI Lock User Functionality . The flaw allows an attacker with high privileges to inject unescaped output when locking a user, with the XSS executing in a changed ...

CVE-2026-61400 Apache CloudStack: Get and Run Diagnostics Command Injection

Improper Neutralization of Special Elements used in a Command 'Command Injection' vulnerability in Apache CloudStack's run and get diagnostics functionality for the system VMs and virtual routers. An authenticated user holding the permissions required to invoke either getDiagnosticsData or...

CVE-2026-61400

Apache CloudStack is affected by a command injection vulnerability in the getDiagnosticsData and runDiagnostics APIs used for system VM and Virtual Router diagnostics. An authenticated user with Admin role permissions can achieve arbitrary command execution as root on the affected instances, resu...

EUVD-2026-63837

Improper Neutralization of Special Elements used in a Command 'Command Injection' vulnerability in Apache CloudStack's run and get diagnostics functionality for the system VMs and virtual routers. An authenticated user holding the permissions required to invoke either getDiagnosticsData or...

CVE-2026-61422

Apache CloudStack (versions 4.20.3.0 and 4.21.0.0 through 4.22.1.0) is affected by an authenticated pre-validation SSRF in its template and ISO registration functionality. When a user registers a template or ISO, CloudStack issues a live HTTP HEAD/GET request to determine file size for secondary ...

EUVD-2026-63836

Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality. When registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validatio...

CVE-2026-61422 Apache CloudStack: Authenticated pre-validation SSRF in registerTemplate

Authenticated pre-validation SSRF vulnerability in Apache CloudStack's template and ISO registration functionality. When registering a template or ISO, CloudStack makes a live HTTP HEAD/GET call to determine file size for secondary storage usage-limit checks, and this happens before URL validatio...

CVE-2026-62440 Apache CloudStack: Improper access control in Kubernetes Service (CKS) cluster manipulation

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 versi...

CVE-2026-62440

CVE-2026-62440 is an Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin . It allows cross-tenant manipulation of a Kubernetes cluster during node add/remove operations, meaning one tenant can affect another tenant's cluster. Affected versions are 4.21.0.0...

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 versi...

EUVD-2026-63834

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Webhook module while listing and deleting deliveries. This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to versio...

CVE-2026-65613 Apache CloudStack: Webhook Deliveries Incorrect Access

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Webhook module while listing and deleting deliveries. This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to versio...

CVE-2026-65613

Apache CloudStack versions 4.20.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0 are affected by an access control flaw in the Webhook module . The issue allows an unauthorized actor to list and delete webhook deliveries , leading to exposure of sensitive information . The vulnerability require...

EUVD-2026-63833

Missing authorization issue for domain admins in CloudStack's host tags listing functionality. Domain Admins, by default, have permission to call the listHostTags API, but the API returns host tags for every host in the environment without domain scoping. It should instead be restricted to only t...

CVE-2026-66721 Apache CloudStack: Authorization issue with listHostTags for domain admins

Missing authorization issue for domain admins in CloudStack's host tags listing functionality. Domain Admins, by default, have permission to call the listHostTags API, but the API returns host tags for every host in the environment without domain scoping. It should instead be restricted to only t...

CVE-2026-66721

Apache CloudStack has a missing authorization flaw in its listHostTags API . Domain Admins can invoke this API by default, but the endpoint returns host tags for every host in the environment rather than being scoped to the admin's own domain. This exposes host tag information across domain bound...

CVE-2026-66722

CVE-2026-66722 is an improper authorization flaw in Apache CloudStack affecting versions 4.15.0.0–4.20.3.0 and 4.21.0.0–4.22.1.0 . The root cause is that CRUD operations on Project Roles and Project Role Permissions only verify the caller is a Domain Admin, without checking whether the target pro...

CVE-2026-66722 Apache CloudStack: ProjectRole & ProjectRolePermission authorization issue

Improper authorization for CRUD operations on Project Roles and Project Role permissions for domain admins in CloudStack. A Domain Admin can create, update, delete, and list project roles and project role permissions for projects in any domain, not just their own. The check only confirms the call...

EUVD-2026-63832

Improper authorization for CRUD operations on Project Roles and Project Role permissions for domain admins in CloudStack. A Domain Admin can create, update, delete, and list project roles and project role permissions for projects in any domain, not just their own. The check only confirms the call...

CVE-2026-66797

Apache CloudStack versions 4.15.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0 are affected by an improper access control flaw in the annotation functionality. The addAnnotation and listAnnotation APIs perform an ownership check when an entity's UUID is specified but fail to honor its result,...