CVE-2026-23982 is an improper authorization vulnerability classified under CWE-863 affecting Apache Superset, an open-source data visualization and business intelligence platform maintained by the Apache Software Foundation. The vulnerability exists in versions prior to 6.0.0. Apache Superset enforces permission checks to restrict users from querying datasets they are not authorized to access. However, the flaw allows an authenticated attacker who has permissions to write datasets and read charts to bypass these controls by overwriting the SQL query of an existing dataset. This means that although the user may not have direct access to certain data, they can manipulate dataset definitions to execute arbitrary SQL queries, effectively circumventing access restrictions. The vulnerability is remotely exploitable without user interaction, requiring only low-level privileges within the application. The CVSS 4.0 score is 7.1 (high), reflecting the network attack vector, low attack complexity, no privileges required beyond dataset write and chart read permissions, and a high impact on confidentiality. The vulnerability does not affect integrity or availability, nor does it require user interaction. No public exploits are currently known, but the risk remains significant due to the sensitive nature of data typically handled by Superset. The recommended remediation is to upgrade to Apache Superset version 6.0.0 or later, where the authorization checks have been properly enforced to prevent SQL query overwriting. Organizations should also review user permissions to limit dataset write access and monitor for suspicious dataset modifications.

The primary impact of CVE-2026-23982 is unauthorized data disclosure, compromising confidentiality. Attackers with limited privileges can access sensitive data beyond their authorization by manipulating dataset queries. This can lead to exposure of proprietary, personal, or regulated information, resulting in compliance violations, reputational damage, and potential financial losses. Since Apache Superset is often used for business intelligence and analytics, the breach of data confidentiality can undermine trust in data governance and decision-making processes. The vulnerability does not directly affect system integrity or availability, but unauthorized data access can facilitate further attacks or insider threats. Organizations with large deployments of Apache Superset, especially in sectors like finance, healthcare, government, and technology, face increased risk. The ease of exploitation and network accessibility amplify the threat, making timely patching critical to prevent data breaches.

1. Upgrade Apache Superset to version 6.0.0 or later immediately, as this version contains the fix for the improper authorization vulnerability. 2. Restrict dataset write permissions to only trusted and necessary users to minimize the attack surface. 3. Implement strict role-based access controls (RBAC) and regularly audit user permissions to ensure least privilege principles. 4. Monitor logs for unusual dataset modifications or SQL query changes that could indicate exploitation attempts. 5. Employ network segmentation and firewall rules to limit access to the Superset instance to authorized personnel only. 6. Consider deploying Web Application Firewalls (WAF) with custom rules to detect and block suspicious SQL query manipulations. 7. Educate administrators and users about the risks of improper authorization and the importance of following security best practices. 8. Regularly review and update security policies related to data access and application usage. 9. If upgrading immediately is not feasible, consider temporarily disabling dataset write permissions or restricting access to critical datasets until patched.