Download Latest Version Apache CloudStack 4.20.1.0 (LTS) source code.tar.gz (14.2 MB)
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Apache CloudStack 4.19.3.0 (LTS) source code.tar.gz 2025-05-30 13.4 MB
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Apache CloudStack 4.19 maintenance release

Release notes: https://docs.cloudstack.apache.org/en/4.19.3.0/releasenotes Installation docs: https://docs.cloudstack.apache.org/en/4.19.3.0/installguide Upgrade docs: https://docs.cloudstack.apache.org/en/4.19.3.0/upgrading Admin docs: https://docs.cloudstack.apache.org/en/4.19.3.0/adminguide API docs: https://cloudstack.apache.org/api/apidocs-4.19

This LTS release includes fixes for the following security issues:

  • CVE-2025-26521: CKS cluster in project exposes user API keys
  • CVE-2025-30675: Unauthorised template/ISO list access to the domain/resource admins
  • CVE-2025-47713: Domain Admin can reset Admin password in Root Domain
  • CVE-2025-47849: Insecure access of user's API/Secret Keys in the same domain

Advisory: https://cloudstack.apache.org/blog/cve-advisories-4.19.3.0-4.20.1.0

Source: README.md, updated 2025-05-30