end-of-life.org

Silverstripe CMS 6.0 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Silverstripe CMS 6.0 reached end of life on 14 Apr 2026. It no longer receives security fixes.

117 days without security patches
Recommended action: upgrade to Silverstripe CMS 6.2.
Check your versioncomposer info silverstripe/cms

Support timeline

Official dates from the Silverstripe CMS release process.

MilestoneDateStatus
Initial release10 Jun 2025
End of life 14 Apr 2026 0.3 years ago
Active support ended13 Oct 2025 security fixes only after this
Latest release6.0.0 · 10 Jun 2025 final

Where to go from 6.0

Recommended target: Silverstripe CMS 6.2 (supported until 30 Apr 2027).

The newest actively supported branch is Silverstripe CMS 6.2 (latest release 6.2.0).

Frequently asked questions

Is Silverstripe CMS 6.0 still safe to use?

Silverstripe CMS 6.0 reached end of life on 14 Apr 2026, 117 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Silverstripe CMS 6.0?

Yes — the final release (6.0.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade Silverstripe CMS 6.0 to?

Upgrade to Silverstripe CMS 6.2, the newest actively supported branch (supported until 30 Apr 2027).

All Silverstripe CMS versions