CVE-2026-116366

critical · 9.5

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.

9.5

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-10-30

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-190

References

https://clickhouse.com/docs/resources/changelogs/security-changelog
https://github.com/ClickHouse/ClickHouse/blob/master/SECURITY.md

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-116366