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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 30 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 30 Oct 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Clickhouse
Clickhouse clickhouse
Vendors & Products Clickhouse
Clickhouse clickhouse

Fri, 30 Oct 2026 11:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Unauthenticated RCE vulnerability against ClickHouse Server
Weaknesses CWE-190
References
Metrics cvssV4_0

{'score': 9.5, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ClickHouse

Published:

Updated: 2026-10-30T16:36:32.335Z

Reserved: 2026-10-26T07:54:23.069Z

Link: CVE-2026-116366

cve-icon Vulnrichment

Updated: 2026-10-30T16:36:28.117Z

cve-icon NVD

Status : Received

Published: 2026-10-30T11:17:32.540

Modified: 2026-10-30T17:17:15.220

Link: CVE-2026-116366

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T13:15:15Z

Weaknesses