CVE-2026-116366
CriticalCVSS 9.5Summary
An issue has been discovered in ClickHouse Server that, under certain conditions, could allow an unauthenticated user with network access to execute arbitrary code on the ClickHouse Server.
Risk Assessment
This could lead to full compromise of the database server by an unauthenticated attacker with network access, risking data exposure or loss.
Recommendation
Restrict network access to the ClickHouse Server to trusted sources and promptly apply available security updates.
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Original NVD description (English source)
An issue has been discovered in ClickHouse Server that, under certain conditions, could allow an unauthenticated user with network access to execute arbitrary code on the ClickHouse Server.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

