PT-2026-79331

Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.15.0.0 through 4.20.3.0 Apache CloudStack versions 4.21.0.0 through 4.22.1.0 Description Improper authorization exists for CRUD Create, Read, Update, Delete operations on Project Roles and Project Role permissions...

PT-2026-79328

Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.21.0.0 through 4.22.1.0 Description Improper Access Control in the Kubernetes Service CKS plugin allows cross-tenant manipulation of the Kubernetes cluster during the process of adding and removing nodes...

PT-2026-79325

Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.20.0.0 through 4.20.3.0 Apache CloudStack versions 4.21.0.0 through 4.22.1.0 Description Improper encoding or escaping of output in the UI occurs when using the Lock User functionality, leading to a Cross-Site...

PT-2026-79321

Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.2.0.0 through 4.20.3.0 Apache CloudStack versions 4.21.0.0 through 4.22.1.0 Description An issue in the LDAP authentication plugin allows authenticated users to access sensitive information while listing LDAP...

Apache CloudStack - Detect

CloudStack is open-source Infrastructure-as-a-Service cloud computing software for creating, managing, and deploying infrastructure cloud services. It uses existing hypervisor platforms for virtualization, such as KVM, VMware vSphere, including ESXi and vCenter, XenServer/XCP and XCP-ng...

CVE-2025-66170

The CloudStack Backup plugin has an improper authorization logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and has access to specific APIs can list backups from any account in the environment...

CVE-2025-66171

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can create new VMs using backups of any other user of the...

CVE-2026-25199

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmoxvmid, to associate...

CVE-2025-69233

Due to multiple time-of-check time-of-use race conditions in the resource count check and increment logic, as well as missing validations, users of the platform are able to exceed the allocation limits configured for their accounts/domains. This can be used by an attacker to degrade the...

CVE-2025-66467

Missing MinIO policy cleanup on bucket deletion via Apache CloudStack allows users to retain access to buckets which they previously owned. If another user creates a new bucket with the same name, the previous owners can gain unauthorized read and write access to it by using the previously...

CVE-2026-25077

Account users are allowed by default to register templates to be downloaded directly to the primary storage for deploying instances using the KVM hypervisor. Due to missing file name sanitization, an attacker can register malicious templates to execute arbitrary code on the KVM hosts. This can...

CVE-2025-66172

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can restore a volume from any other user's backups and...

EUVD-2025-209742

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can restore a volume from any other user's backups and...

EUVD-2026-28550

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmoxvmid, to associate...

EUVD-2025-209743

Missing MinIO policy cleanup on bucket deletion via Apache CloudStack allows users to retain access to buckets which they previously owned. If another user creates a new bucket with the same name, the previous owners can gain unauthorized read and write access to it by using the previously...

EUVD-2025-209740

The CloudStack Backup plugin has an improper authorization logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and has access to specific APIs can list backups from any account in the environment...

EUVD-2025-209744

Due to multiple time-of-check time-of-use race conditions in the resource count check and increment logic, as well as missing validations, users of the platform are able to exceed the allocation limits configured for their accounts/domains. This can be used by an attacker to degrade the...

EUVD-2026-28549

Account users are allowed by default to register templates to be downloaded directly to the primary storage for deploying instances using the KVM hypervisor. Due to missing file name sanitization, an attacker can register malicious templates to execute arbitrary code on the KVM hosts. This can...

EUVD-2025-209741

The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can create new VMs using backups of any other user of the...

CVE-2026-25199

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmoxvmid, to associate...