Nextcloud v34.0.2 released on 23-07-2026
Nextcloud v34.0.2 is out now. It patches multiple security issues, hardens access controls and fixes privilege-escalation vectors reported since v34.0.1, so administrators should treat this as a recommended immediate upgrade.
See the release notes on the project’s GitHub page for CVE and issue references, detailed upgrade guidance and any manual post-upgrade steps: https://github.com/nextcloud-releases/server/releases/tag/v34.0.2
What’s in this release
- Security fixes that harden access controls and address multiple privilege-escalation vectors.
- Targeted bug fixes improving correctness and reliability across sharing, file handling, WebDAV endpoints, background jobs and locking.
- Performance and sync optimisations, including better large-file handling and database query and caching improvements to reduce CPU/memory pressure.
Upgrade notes
- Verify backups, enable maintenance mode and update apps before upgrading; consult the GitHub release page for any manual post-upgrade steps or known app incompatibilities.
- If issues occur after updating, restore from verified backups and test apps and clients; follow any rollback guidance provided by the project.
Share any problems or observations after upgrading so other operators can learn from the experience.
