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Posted to user@superset.apache.org by Daniel Gaspar <dp...@apache.org> on 2026/02/24 09:23:01 UTC

CVE-2026-23969: Apache Superset: Exposure of Sensitive Information via Incomplete ClickHouse Function Filtering

Severity: 

Affected versions:

- Apache Superset 0.0.0 before 4.1.2

Description:

Apache Superset utilizes a configurable dictionary, DISALLOWED_SQL_FUNCTIONS, to restrict the execution of potentially sensitive SQL functions within SQL Lab and charts. While this feature included restrictions for engines like PostgreSQL, a vulnerability was reported where the default list for the ClickHouse engine was incomplete.

This issue affects Apache Superset: before 4.1.2.

Users are recommended to upgrade to version 4.1.2, which fixes the issue.

Credit:

Saif Salah (reporter)
Daniel Gaspar (remediation developer)

References:

https://superset.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-23969