CVE-2026-23983 Apache Superset: Sensitive Data Exposure via REST API (disabled by default)
Authenticated users can expose sensitive user data like password hashes via the Tag API if the tagging system is enabled.
- 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-2026-23983?
CVE-2026-23983 is a low-severity 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
A Sensitive Data Exposure vulnerability exists in Apache Superset allowing authenticated users to retrieve sensitive user information. The Tag endpoint (disabled by default) allows users to retrieve a list of objects associated with a specific tag. When these associated objects include Users, the API response improperly serializes and returns sensitive fields, including password hashes (pbkdf2), email addresses, and login statistics. This vulnerability allows authenticated users with low privileges (e.g., Gamma role) to view sensitive authentication data
This issue affects Apache Superset: before 6.0.0.
Users are recommended to upgrade to version 6.0.0, which fixes the issue or make sure TAGGING_SYSTEM is False (Apache Superset current default)
Weakness: CWE-200
Which versions are affected by CVE-2026-23983?
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 | 6.0.0 |
apache-superset PyPI | All versions | 6.0.0 |
apache-superset PyPI | All versions | 6.0.0 |
superset Bitnami | All versions | 6.0.0 |
Products include Apache Superset.
How do I fix CVE-2026-23983?
Upgrade apache-superset to 6.0.0 or later.
Is CVE-2026-23983 being exploited?
There is no known exploitation of CVE-2026-23983 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-2026-23983, ECHO-91e6-90e7-361a, GHSA-h294-8fxm-m2pj, PYSEC-2026-2375.