ClickHouse end of life: end of support by version
ClickHouse Inc. · Servers & Databases
For ClickHouse by ClickHouse Inc., patchletter knows 12 support cycles. 8 of them have already ended and receive no more security updates. The next support window closes on 26/03/2027, 138 days from now. The current version of ClickHouse is 26.10.2.103. The cycles come from the open endoflife.date project, last reconciled on 07/11/2026.
When does support end for which ClickHouse version?
A cycle is a maintained version line. Where a date is given, support ends on that day. After it the vendor ships no more security updates for that line.
| Cycle | Latest version | End of support | Status |
|---|---|---|---|
| 26.10 | 26.10.2.103 | no date on record | supported |
| 26.9 | 26.9.25.15 | no date on record | supported |
| 26.8LTS | 26.8.34.13 | 292 days left | EOL 27 Aug 27 |
| 26.7 | 26.7.37.6 | 15 days ago | End of Life |
| 26.6 | 26.6.8.7 | 48 days ago | End of Life |
| 26.5 | 26.5.7.64 | 73 days ago | End of Life |
| 26.4 | 26.4.5.143 | 109 days ago | End of Life |
| 26.3LTS | 26.3.60.2 | 138 days left | EOL 26 Mar 27 |
| 26.2 | 26.2.19.43 | 171 days ago | End of Life |
| 26.1 | 26.1.12.23 | 187 days ago | End of Life |
| 25.12 | 25.12.12.1 | 227 days ago | End of Life |
| 25.11 | 25.11.9.34 | 254 days ago | End of Life |
Which ClickHouse versions no longer receive security updates?
8 of 12 cycles have ended. If you run one of those lines, the vendor ships you no more patches, not even for critical flaws.
- ClickHouse 26.726.7.37.6
- ClickHouse 26.626.6.8.7
- ClickHouse 26.526.5.7.64
- ClickHouse 26.426.4.5.143
- ClickHouse 26.226.2.19.43
- ClickHouse 26.126.1.12.23
- ClickHouse 25.1225.12.12.1
- ClickHouse 25.1125.11.9.34
Where does the EOL data for ClickHouse come from?
From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the ClickHouse data is as of 07/11/2026. In case of doubt the vendor's own lifecycle page applies. patchletter deliberately stores no vendor full texts.
New ClickHouse versions by email
Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.