Apache Superset up to 5.x Tag Endpoint information disclosure

Summaryinfo

A vulnerability described as problematic has been identified in Apache Superset up to 5.x. Affected by this vulnerability is an unknown functionality of the component Tag Endpoint. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-2026-23983. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache Superset up to 5.x. It has been rated as problematic. Affected by this issue is an unknown code block of the component Tag Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

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)

The advisory is available at lists.apache.org. This vulnerability is handled as CVE-2026-23983 since 01/19/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/24/2026). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 6.0.0 eliminates this vulnerability.

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Productinfo

Vendor

• Apache

Name

• Superset

Version

• 5.x

License

• open-source

Website

• Vendor: https://www.apache.org/

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