{"id":"UBUNTU-CVE-2026-116366","details":"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.","modified":"2026-11-04T03:30:26.964456307Z","published":"2026-11-03T00:00:00Z","upstream":["CVE-2026-116366"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-116366"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-116366"},{"type":"REPORT","url":"https://clickhouse.com/docs/resources/changelogs/security-changelog"},{"type":"REPORT","url":"https://github.com/ClickHouse/ClickHouse/blob/master/SECURITY.md"}],"affected":[{"package":{"name":"clickhouse","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/clickhouse?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["18.16.1+ds-5","18.16.1+ds-5ubuntu1","18.16.1+ds-5ubuntu2","18.16.1+ds-6ubuntu1","18.16.1+ds-7","18.16.1+ds-7ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"18.16.1+ds-7ubuntu0.1","binary_name":"clickhouse-client"},{"binary_version":"18.16.1+ds-7ubuntu0.1","binary_name":"clickhouse-common"},{"binary_version":"18.16.1+ds-7ubuntu0.1","binary_name":"clickhouse-server"},{"binary_version":"18.16.1+ds-7ubuntu0.1","binary_name":"clickhouse-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116366.json"}},{"package":{"name":"clickhouse","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/clickhouse?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["18.16.1+ds-7.4","18.16.1+ds-7.4build1","18.16.1+ds-7.4build2"],"ecosystem_specific":{"binaries":[{"binary_name":"clickhouse-client","binary_version":"18.16.1+ds-7.4build2"},{"binary_version":"18.16.1+ds-7.4build2","binary_name":"clickhouse-common"},{"binary_name":"clickhouse-server","binary_version":"18.16.1+ds-7.4build2"},{"binary_name":"clickhouse-tools","binary_version":"18.16.1+ds-7.4build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116366.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"},{"type":"Ubuntu","score":"medium"}]}