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Servers and applications

CVE-2026-116366

Unauthenticated RCE vulnerability against ClickHouse Server

Severity
Critical 9.5
Published
30 Oct 2026
Last changed
30 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
26.3.62.3-lts, 26.8.36.3-lts, 26.9.27.3-stable, 26.10.3.7-stable
Sources
CVE Program

Affected software

SoftwareAffected versions
ClickHouseServers and applications · cna:clickhouse|clickhouse
  • From 26.3 before 26.3.62.3-lts
  • From 26.8 before 26.8.36.3-lts
  • From 26.9 before 26.9.27.3-stable
  • From 26.10 before 26.10.3.7-stable

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-116366