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.
Published: 2026-10-30
Score: 9.5 Critical
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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'}


Subscriptions

Clickhouse Clickhouse
cve-icon MITRE

Status: PUBLISHED

Assigner: ClickHouse

Published:

Updated: 2026-10-30T11:00:11.115Z

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

Link: CVE-2026-116366

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-116366

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses
  • CWE-190

    Integer Overflow or Wraparound