Concrete CMS 8 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Concrete CMS 8 reached end of life on 5 Aug 2025. It no longer receives security fixes.
369 days without security patches
Recommended action: upgrade to Concrete CMS 9. Check your versionconcrete/bin/concrete --version
Support timeline
Official dates from the Concrete CMS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 1 Dec 2016 | — |
| End of life | 5 Aug 2025 | 1.0 years ago |
| Latest release | 8.5.21 · 5 Aug 2025 | final |
Where to go from 8
Recommended target: Concrete CMS 9.
The newest actively supported branch is Concrete CMS 9 (latest release 9.5.2).
Frequently asked questions
Is Concrete CMS 8 still safe to use?
Concrete CMS 8 reached end of life on 5 Aug 2025, 369 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Concrete CMS 8?
Yes — the final release (8.5.21) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Concrete CMS 8 to?
Upgrade to Concrete CMS 9, the newest actively supported branch.