Checkmk: versions and end of support
Release branches of Checkmk with the latest version and the end of support.
We do not track a vulnerability database for Checkmk, so this page shows versions and end of support only.
Release branches
Checkmk 2.5
Latest version: 2.5, released on 28/04/2026
End of support: 28/04/2028
Checkmk 2.4
Latest version: 2.4, released on 06/05/2025
End of support: 06/11/2027
Checkmk 2.3
Latest version: 2.3, released on 29/04/2024
End of support: 29/10/2026
Checkmk 2.2
Latest version: 2.2, released on 23/05/2023
End of support: 23/11/2025
Checkmk 2.1
Latest version: 2.1, released on 24/05/2022
End of support: 24/11/2024
Checkmk 2.0
Latest version: 2.0, released on 09/03/2021
End of support: 09/09/2023
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