<Vulnerability name="CVE-2026-51992">
    <DocumentDistribution xml:lang="en">Copyright © 2012 Red Hat, Inc. All rights reserved.</DocumentDistribution>
    <ThreatSeverity>Critical</ThreatSeverity>
    <PublicDate>2026-07-29T00:00:00</PublicDate>
    <Bugzilla id="2508493" url="https://bugzilla.redhat.com/show_bug.cgi?id=2508493" xml:lang="en:us">
ClickHouse Server: ClickHouse Server: Arbitrary code execution via SQL Injection in create dictionaries function
    </Bugzilla>
    <CVSS3 status="draft">
        <CVSS3BaseScore>9.8</CVSS3BaseScore>
        <CVSS3ScoringVector>CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</CVSS3ScoringVector>
    </CVSS3>
    <CWE>CWE-89</CWE>
    <Details xml:lang="en:us" source="Mitre">
SQL Injection vulnerability in ClickHouse Server Versions &lt;= 26.3.9.8 allows a remote attacker to execute arbitrary code via the create dictionaries function.
    </Details>
    <Details xml:lang="en:us" source="Red Hat">
A flaw was found in ClickHouse Server. A SQL Injection vulnerability exists in the `create dictionaries` function, which allows a remote attacker to execute arbitrary code. This could lead to a complete compromise of the affected system.
    </Details>
    <References xml:lang="en:us">
https://www.cve.org/CVERecord?id=CVE-2026-51992
https://nvd.nist.gov/vuln/detail/CVE-2026-51992
https://clickhouse.com/docs/sql-reference/dictionaries#postgresql
https://github.com/TheLiimbo/CVE-2026-51992
    </References>
</Vulnerability>