ClickHouse discloses unauthenticated RCE vulnerability CVE-2026-116366, patches available

Hacubu · x · 2026-10-31

A remote code execution vulnerability (CVE-2026-116366) has been disclosed in the ClickHouse database server: under certain conditions, an unauthenticated network attacker could run arbitrary code on the server. Fixed in 26.3.62.3-lts, 26.8.36.3-lts and later — teams running ClickHouse should patch promptly.

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