Is Checkmk 2.3 patched?
Checkmk · cycle 2.3 · Official site ↗
2.3100/100Healthy
Health score100/100
Open issues0
Exploited now0
Cycle 2.3 EOL2026-10-29
Latest release2.5
Summary iPlain-English security status for Checkmk 2.3, built from its CVEs, active-exploitation data, end-of-life date and latest release.
Checkmk 2.3 is part of the 2.3 release line. No known vulnerabilities affect it in our data. The 2.3 line is supported until 2026-10-29. The latest supported Checkmk release is 2.5.
Known issues affecting 2.3
None found for this version. ✓
Frequently asked
Is Checkmk 2.3 patched?
Checkmk 2.3 is on the latest patch of its cycle with no known affecting vulnerabilities.
When does Checkmk 2.3 reach end-of-life?
Checkmk 2.3 is supported until 2026-10-29.
What is the latest version of Checkmk?
The latest supported Checkmk release is 2.5.
Is Checkmk 2.3 still receiving security updates?
Yes — the 2.3 line is still supported until 2026-10-29 and receiving security updates. The latest release is 2.5.
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 ↗