Apache Software Foundation Apache Cloudstack vulnerabilities

CVE-2024-41107 [HIGH] CWE-290 CVE-2024-41107: The CloudStack SAML authentication (disabled by default) does not enforce signature check. In CloudS The CloudStack SAML authentication (disabled by default) does not enforce signature check. In CloudStack environments where SAML authentication is enabled, an attacker that initiates CloudStack SAML single sign-on authentication can bypass SAML authentication by submitting a spoofed SAML response with no signature and known or guessed username and oth

CVE-2024-38346 [CRITICAL] CWE-94 CVE-2024-38346: The CloudStack cluster service runs on unauthenticated port (default 9090) that can be misused to ru The CloudStack cluster service runs on unauthenticated port (default 9090) that can be misused to run arbitrary commands on targeted hypervisors and CloudStack management server hosts. Some of these commands were found to have command injection vulnerabilities that can result in arbitrary code execution via agents on the hosts that may run as a pri

CVE-2024-39864 [CRITICAL] CWE-94 CVE-2024-39864: The CloudStack integration API service allows running its unauthenticated API server (usually on por The CloudStack integration API service allows running its unauthenticated API server (usually on port 8096 when configured and enabled via integration.api.port global setting) for internal portal integrations and for testing purposes. By default, the integration API service port is disabled and is considered disabled when integration.api.port is se

CVE-2026-61400 [HIGH] CWE-77 CVE-2026-61400: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in 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 `runDiagnostics` can achieve arbitrary command execution o

CVE-2026-47359 [HIGH] CWE-78 CVE-2026-47359: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerabi Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache CloudStack's NAS backup provider plugin. The addBackupRepository API (available since 4.20.0.0) and updateBackupRepository API (introduced in 4.22.0.0) accept unsanitized command options for the backup repository. A malicious operator acco

CVE-2022-35741 [CRITICAL] CWE-611 CVE-2022-35741: Apache CloudStack version 4.5.0 and later has a SAML 2.0 authentication Service Provider plugin whic Apache CloudStack version 4.5.0 and later has a SAML 2.0 authentication Service Provider plugin which is found to be vulnerable to XML external entity (XXE) injection. This plugin is not enabled by default and the attacker would require that this plugin be enabled to exploit the vulnerability. When the SAML 2.0 plugin is enabled in affected versio

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-2026-50112 [HIGH] CWE-78 CVE-2026-50112: SSRF via Metalink Mirror URL Resolution: An authenticated tenant can register a template pointing t SSRF via Metalink Mirror URL Resolution: An authenticated tenant can register a template pointing to an attacker-controlled metalink file containing internal targets. The Secondary Storage VM will retrieve the data and persist it as a template file, which can later be downloaded through normal APIs. RCE on KVM hypervisor via NFS, Metalink files with/w

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-2024-29006 [CRITICAL] CWE-290 CVE-2024-29006: By default the CloudStack management server honours the x-forwarded-for HTTP header and logs it as t By default the CloudStack management server honours the x-forwarded-for HTTP header and logs it as the source IP of an API request. This could lead to authentication bypass and other operational problems should an attacker decide to spoof their IP address this way. Users are recommended to upgrade to CloudStack version 4.18.1.1 or 4.19.0.1, which

CVE-2026-59799 [HIGH] CWE-269 CVE-2026-59799: Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin allowing bypass of the two-factor authentication disable flow. This issue affects Apache CloudStack: from 4.18.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fix

CVE-2026-61398 [CRITICAL] CWE-116 CVE-2026-61398: Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Instance Improper Encoding or Escaping of Output vulnerability in Apache CloudStack's UI while using Instance Reset Password functionality. This issue affects Apache CloudStack: from 4.15.1.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

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-2026-59085 [CRITICAL] CWE-918 CVE-2026-59085: Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack's webhook module, exploitable Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack's webhook module, exploitable via webhook delivery requests. 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 version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

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-2025-47849 [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-2026-62440 [CRITICAL] CWE-284 CVE-2026-62440: Improper Access Control vulnerability in Apache CloudStack's Kubernetes Service (CKS) plugin, allowi 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 version 4.22.1.1 or later, which fixes the issue.

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-2016-6813 [CRITICAL] CVE-2016-6813: Apache CloudStack 4.1 to 4.8.1.0 and 4.9.0.0 contain an API call designed to allow a user to registe Apache CloudStack 4.1 to 4.8.1.0 and 4.9.0.0 contain an API call designed to allow a user to register for the developer API. If a malicious user is able to determine the ID of another (non-"root") CloudStack user, the malicious user may be able to reset the API keys for the other user, in turn accessing their account and resources.

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