CFEngine 3.26 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
CFEngine 3.26 reached end of life on 9 Jan 2026. It no longer receives security fixes.
212 days without security patches
Recommended action: upgrade to CFEngine 3.28. Check your versioncf-agent --version
Support timeline
Official dates from the CFEngine release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 20 May 2025 | — |
| End of life | 9 Jan 2026 | 0.6 years ago |
| Latest release | 3.26.0 · 20 May 2025 | final |
Where to go from 3.26
Recommended target: CFEngine 3.28.
The newest actively supported branch is CFEngine 3.28 (latest release 3.28.0).
Frequently asked questions
Is CFEngine 3.26 still safe to use?
CFEngine 3.26 reached end of life on 9 Jan 2026, 212 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download CFEngine 3.26?
Yes — the final release (3.26.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade CFEngine 3.26 to?
Upgrade to CFEngine 3.28, the newest actively supported branch.