Apache Software Foundation Apache Cloudstack vulnerabilities

CVE-2026-25199 [CRITICAL] CWE-200 CVE-2026-25199: Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to oth 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, proxmox_vmid, to associate CloudStack instances with Proxmox virtual machine

CVE-2025-66172 [HIGH] CWE-359 CVE-2025-66172: The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone 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 attach the volume to their own VMs. Backup plugin users usi

CVE-2026-25077 [HIGH] CWE-94 CVE-2026-25077: Account users are allowed by default to register templates to be downloaded directly to the primary 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 result in the compromise of resource integrity and confident

CVE-2025-66467 [HIGH] CWE-459 CVE-2025-66467: Missing MinIO policy cleanup on bucket deletion via Apache CloudStack allows users to retain access 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 generated access and secret keys. Users are recommended to upg

CVE-2025-69233 [MEDIUM] CWE-367 CVE-2025-69233: Due to multiple time-of-check time-of-use race conditions in the resource count check and increment 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 infrastructure's resources and lead to denial of service conditi

CVE-2025-66170 [MEDIUM] CWE-863 CVE-2025-66170: The CloudStack Backup plugin has an improper authorization logic in versions 4.21.0.0 and 4.22.0.0. 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. This vulnerability does not allow them to see the con

CVE-2025-66171 [MEDIUM] CWE-359 CVE-2025-66171: The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone 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 environment. Backup plugin users using CloudStack 4.21

CVE-2025-59302 [MEDIUM] CWE-94 CVE-2025-59302: In Apache CloudStack improper control of generation of code ('Code Injection') vulnerability is fou In Apache CloudStack improper control of generation of code ('Code Injection') vulnerability is found in the following APIs which are accessible only to admins. * quotaTariffCreate * quotaTariffUpdate * createSecondaryStorageSelector * updateSecondaryStorageSelector * updateHost * updateStorage This issue affects Apache CloudStack: from 4.18.0 bef

CVE-2025-59454 [MEDIUM] CWE-200 CVE-2025-59454: In Apache CloudStack, a gap in access control checks affected the APIs - createNetworkACL - listNetw In Apache CloudStack, a gap in access control checks affected the APIs - createNetworkACL - listNetworkACLs - listResourceDetails - listVirtualMachinesUsageHistory - listVolumesUsageHistory While these APIs were accessible only to authorized users, insufficient permission validation meant that users could occasionally access information beyond thei

CVE-2025-30675 [MEDIUM] CWE-200 CVE-2025-30675: In Apache CloudStack, a flaw in access control affects the listTemplates and listIsos APIs. A malici In Apache CloudStack, a flaw in access control affects the listTemplates and listIsos APIs. A malicious Domain Admin or Resource Admin can exploit this issue by intentionally specifying the 'domainid' parameter along with the 'filter=self' or 'filter=selfexecutable' values. This allows the attacker to gain unauthorized visibility into templates and

CVE-2025-47849 [HIGH] CWE-269 CVE-2025-47849: A privilege escalation vulnerability exists in Apache CloudStack versions 4.10.0.0 through 4.20.0.0 A privilege escalation vulnerability exists in Apache CloudStack versions 4.10.0.0 through 4.20.0.0 where a malicious Domain Admin user in the ROOT domain can get the API key and secret key of user-accounts of Admin role type in the same domain. This operation is not appropriately restricted and allows the attacker to assume control over higher-privile

CVE-2025-47713 [HIGH] CWE-269 CVE-2025-47713: A privilege escalation vulnerability exists in Apache CloudStack versions 4.10.0.0 through 4.20.0.0 A privilege escalation vulnerability exists in Apache CloudStack versions 4.10.0.0 through 4.20.0.0 where a malicious Domain Admin user in the ROOT domain can reset the password of user-accounts of Admin role type. This operation is not appropriately restricted and allows the attacker to assume control over higher-privileged user-accounts. A malicious

CVE-2025-26521 [HIGH] CWE-200 CVE-2025-26521: When an Apache CloudStack user-account creates a CKS-based Kubernetes cluster in a project, the API When an Apache CloudStack user-account creates a CKS-based Kubernetes cluster in a project, the API key and the secret key of the 'kubeadmin' user of the caller account are used to create the secret config in the CKS-based Kubernetes cluster. A member of the project who can access the CKS-based Kubernetes cluster, can also access the API key and secret

CVE-2025-22829 [LOW] CWE-269 CVE-2025-22829: The CloudStack Quota plugin has an improper privilege management logic in version 4.20.0.0. Anyone w The CloudStack Quota plugin has an improper privilege management logic in version 4.20.0.0. Anyone with authenticated user-account access in CloudStack 4.20.0.0 environments, where this plugin is enabled and have access to specific APIs can enable or disable reception of quota-related emails for any account in the environment and list their configurati

CVE-2025-22828 [MEDIUM] CWE-200 CVE-2025-22828: CloudStack users can add and read comments (annotations) on resources they are authorised to access. CloudStack users can add and read comments (annotations) on resources they are authorised to access. Due to an access validation issue that affects Apache CloudStack versions from 4.16.0, users who have access, prior access or knowledge of resource UUIDs can list and add comments (annotations) to such resources. An attacker with a user-account and

CVE-2024-50386 [CRITICAL] CWE-20 CVE-2024-50386: Account users in Apache CloudStack by default are allowed to register templates to be downloaded dir Account users in Apache CloudStack by default are allowed to register templates to be downloaded directly to the primary storage for deploying instances. Due to missing validation checks for KVM-compatible templates in CloudStack 4.0.0 through 4.18.2.4 and 4.19.0.0 through 4.19.1.2, an attacker that can register templates, can use them to deploy ma

CVE-2024-45462 [HIGH] CWE-613 CVE-2024-45462: The logout operation in the CloudStack web interface does not expire the user session completely whi The logout operation in the CloudStack web interface does not expire the user session completely which is valid until expiry by time or restart of the backend service. An attacker that has access to a user's browser can use an unexpired session to gain access to resources owned by the logged out user account. This issue affects Apache CloudStack from

CVE-2024-45219 [HIGH] CWE-20 CVE-2024-45219: Account users in Apache CloudStack by default are allowed to upload and register templates for deplo Account users in Apache CloudStack by default are allowed to upload and register templates for deploying instances and volumes for attaching them as data disks to their existing instances. Due to missing validation checks for KVM-compatible templates or volumes in CloudStack 4.0.0 through 4.18.2.3 and 4.19.0.0 through 4.19.1.1, an attacker that can upl

CVE-2024-45693 [HIGH] CWE-352 CVE-2024-45693: Users logged into the Apache CloudStack's web interface can be tricked to submit malicious CSRF requ Users logged into the Apache CloudStack's web interface can be tricked to submit malicious CSRF requests due to missing validation of the origin of the requests. This can allow an attacker to gain privileges and access to resources of the authenticated users and may lead to account takeover, disruption, exposure of sensitive data and compromise integr

CVE-2024-42062 [HIGH] CWE-863 CVE-2024-42062: CloudStack account-users by default use username and password based authentication for API and UI ac CloudStack account-users by default use username and password based authentication for API and UI access. Account-users can generate and register randomised API and secret keys and use them for the purpose of API-based automation and integrations. Due to an access permission validation issue that affects Apache CloudStack versions 4.10.0 up to 4.19.1.