CVE-2026-23969
Apache Superset: Incomplete DISALLOWED_SQL_FUNCTIONS default list for ClickHouse engine
EPSS 0.07%
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.
How to fix CVE-2026-23969
To remediate CVE-2026-23969, upgrade the affected package to a fixed version below.
- —upgrade to 4.1.2 or later
- —upgrade to 4.1.2 or later
Is CVE-2026-23969 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.1.2
- from 0, < 4.1.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |