ClickHouse ↗
Compare ClickHouse
Head-to-head on security track record — known CVEs, active exploitation and support status:
Summary iPlain-English security verdict for ClickHouse, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
ClickHouse currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2026-111497. The latest supported release is 26.10.2.103. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
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-2026-111497 CRITICAL exploited CWE-252 EPSS 83% → see advisory 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 →
26.10 latest 26.10.2.103 Supported 26.10.2.103 → 26.9 latest 26.9.25.15 Supported 26.9.25.15 → 26.8 latest 26.8.34.13 Supported until 2027-08-2726.8.34.13 → 26.7 latest 26.7.37.6 End of life ended 2026-10-2426.7.37.6 → 26.6 latest 26.6.8.7 End of life ended 2026-09-2126.6.8.7 → 26.5 latest 26.5.7.64 End of life ended 2026-08-2726.5.7.64 → 26.4 latest 26.4.5.143 End of life ended 2026-07-2226.4.5.143 → 26.3 latest 26.3.60.2 Supported until 2027-03-2626.3.60.2 → 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 → See all upcoming end-of-life dates →Frequently asked
Is ClickHouse safe and patched?
ClickHouse currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2026-111497. The latest supported release is 26.10.2.103. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about ClickHouse now?
Upgrade ClickHouse to the latest supported release (26.10.2.103) or later, which clears the actively-exploited issues affecting older versions, then confirm against ClickHouse's official advisory.
When does ClickHouse reach end-of-life?
The latest supported ClickHouse release is 26.10.2.103. 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 26.10.2.103): 26.10, 26.9, 26.8, 26.3. End-of-life releases no longer receive security patches.
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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 ↗