Is Checkmk 2.2 patched?
Summary iPlain-English security status for Checkmk 2.2, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Checkmk 2.2 is part of the 2.2 release line. No known vulnerabilities affect it in our data. The 2.2 line reached end-of-life on 2025-11-23, so it no longer receives security patches. The latest supported Checkmk release is 2.5.
Known issues affecting 2.2
None found for this version. ✓
Frequently asked
Is Checkmk 2.2 patched?
Checkmk 2.2 is end-of-life and no longer receives security patches. Move to 2.5.
When does Checkmk 2.2 reach end-of-life?
Checkmk 2.2 reached end-of-life on 2025-11-23 and no longer receives security patches.
What is the latest version of Checkmk?
The latest supported Checkmk release is 2.5.
Is Checkmk 2.2 still receiving security updates?
No — Checkmk 2.2 is on the 2.2 line, which reached end-of-life on 2025-11-23 and no longer receives security updates. Upgrade to 2.5 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Checkmk's official advisory before you patch or upgrade — Checkmk official site ↗