ClickHouse 26.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
ClickHouse 26.1 reached end of life on 5 May 2026. It no longer receives security fixes.
96 days without security patches
Recommended action: upgrade to ClickHouse 26.7. Check your versionclickhouse-client --version
Support timeline
Official dates from the ClickHouse release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 30 Jan 2026 | — |
| End of life | 5 May 2026 | 0.3 years ago |
| Latest release | 26.1.12.23 · 11 May 2026 | final |
Where to go from 26.1
Recommended target: ClickHouse 26.7.
The newest actively supported branch is ClickHouse 26.7 (latest release 26.7.3.19).
Frequently asked questions
Is ClickHouse 26.1 still safe to use?
ClickHouse 26.1 reached end of life on 5 May 2026, 96 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ClickHouse 26.1?
Yes — the final release (26.1.12.23) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade ClickHouse 26.1 to?
Upgrade to ClickHouse 26.7, the newest actively supported branch.