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...

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...

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-2026-25199 Apache CloudStack: Proxmox Extension Allows Unauthorized Cross-Tenant Instance Access

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-2026-25199 Apache CloudStack: Proxmox Extension Allows Unauthorized Cross-Tenant Instance Access

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-2026-25199 Apache CloudStack: Proxmox Extension Allows Unauthorized Cross-Tenant Instance Access

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-2026-25199

Apache CloudStack versions 4.21.0.0 through 4.22.0.0 are vulnerable to a flaw in the Proxmox extension that allows for unauthorized cross-tenant access. The extension fails to validate the user-editable instance setting proxmox_vmid against tenant ownership. Because Proxmox VM IDs are predictable...

PT-2026-38919

Name of the Vulnerable Software and Affected Versions Apache CloudStack versions 4.21.0.0 through 4.22.0.0 Description Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. The Proxmox extension improperly uses a user-editable instance...

Apache CloudStack 信息泄露漏洞

Apache CloudStack is an IaaS cloud computing platform developed by the Apache Foundation in the United States. This platform is primarily used for deploying and managing large-scale virtual machine networks. Versions 4.21.0.0 to 4.22.0.0 of Apache CloudStack contained a vulnerability related to...

CVE-2026-25199: Exposure of Sensitive Information to an Unauthorized Actor

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...