Jenkins 2.426 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Jenkins 2.426 reached end of life on 21 Feb 2024. It no longer receives security fixes.
900 days without security patches
Recommended action: upgrade to Jenkins 2. Support timeline
Official dates from the Jenkins release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 3 Oct 2023 | — |
| End of life | 21 Feb 2024 | 2.5 years ago |
| Latest release | 2.426.3 · 22 Jan 2024 | final |
Where to go from 2.426
Recommended target: Jenkins 2.
The newest actively supported branch is Jenkins 2 (latest release 2.576).
Frequently asked questions
Is Jenkins 2.426 still safe to use?
Jenkins 2.426 reached end of life on 21 Feb 2024, 900 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Jenkins 2.426?
Yes — the final release (2.426.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Jenkins 2.426 to?
Upgrade to Jenkins 2, the newest actively supported branch.