The Apache CloudStack project is pleased to announce the release of CloudStack 4.19.2.0.

We’re thrilled to announce that the CloudStack European User Group (CSEUG) 2025 is happening on May 8th in Vienna, Austria! This User Group meeting will bring together the European CloudStack community for a full day of networking, knowledge sharing, and discussions about our open-source cloud technology. This year’s CSEUG is sponsored by ShapeBlue, proIO and LINBIT, who will also be the local event host.

From March 17-20th, the world’s leading internet infrastructure event – CloudFest – will be taking place at Europa-Park in Rust, Germany! The Apache CloudStack project will be exhibiting at the conference for a third consecutive year, showcasing the benefit of complete vendor independency and flexibility of using open-source virtualization management solutions! The event presents a fantastic opportunity for cloud builders to discover Apache CloudStack’s robust capabilities and its value to the wider cloud computing industry. As the premier gathering for internet infrastructure professionals, CloudFest offers an ideal platform to connect with industry leaders, share insights, and highlight how Apache CloudStack is driving innovation in cloud computing.

CVE-2025-22828: Unauthorised access to annotations​

Severity: Low

Affected versions:

• Apache CloudStack 4.16.0 or later

Description:​

CloudStack users can add and read comments (annotations) on resources they are authorised to access.

The CloudStack Collaboration Conference 2024 was held in Madrid, Spain, from November 20-22, bringing together CloudStack users, developers, and operators from over 40 countries.

Apache CloudStack LTS Release 4.20.0.0

The Apache CloudStack project is pleased to announce the release of CloudStack 4.20.0.0.

Apache CloudStack 4.20 is the most recent release of the cloud management platform. It comes as a product of extensive contributions from the development community and is a LTS release, guaranteeing ongoing maintenance and support for a period of 18 months

The Apache CloudStack project announces the release of LTS security releases 4.18.2.5 and 4.19.1.3 that address the following security issues:

• CVE-2024-50386 (severity 'Important')

We are pleased the share that the official event agenda for this year’s CloudStack Collaboration Conference is now live!

This year’s highly anticipated event is taking place in Madrid, Spain on November 20-22nd. The first day at #CSCollab2024 will be a hackathon day, with the following two days being fully dedicated to sessions and workshops around Apache CloudStack. This blog will delve into some of the highlighted sessions from the agenda and share details of the evening events.

Registrations are still open for the conference for those still considering attending!

The Apache CloudStack project announces the release of LTS security releases 4.18.2.4 and 4.19.1.2 that address the following security issues:

• CVE-2024-45219 (severity 'Important')
• CVE-2024-45461 (severity 'Moderate')
• CVE-2024-45462 (severity 'Moderate')
• CVE-2024-45693 (severity 'Important')

This year’s CloudStack European User Group was another successful event for the community. The event drew a strong audience, highlighting the growth of the CloudStack community in the region.