ClickHouse ↗
Summary iPlain-English security verdict for ClickHouse, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
ClickHouse currently scores 100/100 — healthy. No tracked vulnerabilities are currently known to be exploited in the wild. The latest supported release is 26.5.2.39. It's on the latest patch with no significant known issues — keep it current.
Disclosure trend iNew CVEs published for ClickHouse each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2018-14671 CRITICAL Improper input validation EPSS 3% → fixed in 18.10.3 CVE-2018-14670 CRITICAL CWE-285 EPSS 2% → fixed in 1.1.54131 CVE-2019-16535 CRITICAL Out-of-bounds read EPSS 2% → fixed in 19.14Get alerted about ClickHouse
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Versions & lifecycle iWhen each release line stops receiving security patches (end-of-life). After EOL there are no more fixes — plan upgrades before these dates.
How long each ClickHouse release line is supported — and when it sunsets. Select a line for its full report.
Full ClickHouse end-of-life dates & support timeline →
26.5 latest 26.5.2.39 Supported 26.5.2.39 → 26.4 latest 26.4.4.38 Supported 26.4.4.38 → 26.3 latest 26.3.13.31 Supported until 2027-03-2626.3.13.31 → 26.2 latest 26.2.19.43 End of life ended 2026-05-2126.2.19.43 → 26.1 latest 26.1.12.23 End of life ended 2026-05-0526.1.12.23 → 25.12 latest 25.12.12.1 End of life ended 2026-03-2625.12.12.1 → 25.11 latest 25.11.9.34 End of life ended 2026-02-2725.11.9.34 → 25.10 latest 25.10.7.6 End of life ended 2026-01-3025.10.7.6 → 25.9 latest 25.9.7.56 End of life ended 2025-12-1825.9.7.56 → 25.8 latest 25.8.24.21 Supported until 2026-08-2925.8.24.21 → See all upcoming end-of-life dates →Frequently asked
Is ClickHouse safe and patched?
ClickHouse currently scores 100/100 — healthy. No tracked vulnerabilities are currently known to be exploited in the wild. The latest supported release is 26.5.2.39. It's on the latest patch with no significant known issues — keep it current.
What should I do about ClickHouse now?
Upgrade ClickHouse to the latest supported release (26.5.2.39) or later and apply available security updates, then confirm against ClickHouse's official advisory.
When does ClickHouse reach end-of-life?
The latest supported ClickHouse release is 26.5.2.39. After end-of-life a release no longer receives security patches.
Which versions of ClickHouse are still receiving security updates?
Supported ClickHouse release lines (latest 26.5.2.39): 26.5, 26.4, 26.3, 25.8. End-of-life releases no longer receive security patches.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against ClickHouse's official advisory before you patch or upgrade — ClickHouse official site ↗