Maintenance release
Security fix: CVE-2024-38475
KohaSupport AMIs refreshed
Recommended for Koha 26.05 deployments
Koha 26.05.01 is now released. This is a maintenance and security release for the Koha 26.05 series.
This release includes the fix for CVE-2024-38475. KohaSupport AMIs for AWS Marketplace have been refreshed to include Koha 26.05.01 and current operating system package updates.
Quick summary:
- Release date: 8 July 2026
- Release type: maintenance and security update for Koha 26.05
- Security: includes the CVE-2024-38475 fix
- KohaSupport AMIs: refreshed for AWS Marketplace publication
Recommendations for Koha administrators
- Read the full upstream release notes and security information: see the official release page linked above.
- Test the upgrade in a staging environment before applying it to production. Follow your normal backup and rollback procedures.
- If you use KohaSupport AMIs: follow the KohaSupport AMI upgrade procedure described at How to upgrade Koha to a new AMI version.
- If your current AWS Marketplace listing is Basic x86, Basic ARM64, or Standard x86, plan a move to Koha Cloud Standard ARM64. Contact KohaSupport if you need migration help.
Downloads and documentation
- Upgrading KohaSupport Koha Cloud Servers: How to upgrade Koha to a new AMI version
- Official release and downloads: Koha 26.05.01 released
- Installation and system requirements: Installation Documentation
Questions about upgrading your stack? Contact support or see the AMI upgrade guide.