CVE-2026-23969 Apache Superset: Exposure of Sensitive Information via Incomplete ClickHouse Function Filtering
Incomplete default filtering of ClickHouse SQL functions in Apache Superset allows attackers to execute restricted queries and access sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-23969?
CVE-2026-23969 is a medium-severity SQL injection vulnerability in Apache Superset, published on 24 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2026-23969?
4 open source packages ship an affected version, including apache-superset and superset. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
apache-superset PyPI | All versions | 4.1.2 |
apache-superset PyPI | All versions | 4.1.2 |
apache-superset PyPI | All versions | 4.1.2 |
superset Bitnami | All versions | 4.1.2 |
Products include Apache Superset.
How do I fix CVE-2026-23969?
Upgrade apache-superset to 4.1.2 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-23969 being exploited?
There is no known exploitation of CVE-2026-23969 in the wild and no public exploit code.
Other vulnerabilities in Apache Superset
- CVE-2023-27524 Apache Superset Insecure Default Initialization of Resource
- CVE-2022-27479 SQL injection vulnerability in chart data API
- CVE-2018-8021 Deserialization of Untrusted Data in superset
- CVE-2023-49657 Apache Superset: Stored XSS in Dashboard Title and Chart Title
- CVE-2022-43719 Apache Superset: Cross Site Request Forgery (CSRF) on accept, request access API
Sources
Also known as BIT-superset-2026-23969, GHSA-48m2-v2r8-h23m, PYSEC-2026-2373.