CVE-2026-23984: Apache Superset: SQLLab Read-Only Bypass on PostgreSQL

[Daniel Gaspar <dpgaspar () apache org>]

Severity: 

Affected versions:

- Apache Superset 0.0.0 before 6.0.0

Description:

An Improper Input Validation vulnerability exists in Apache Superset that allows an authenticated user with SQLLab 
access to bypass the read-only verification check when using a PostgreSQL database connection.
While the system effectively blocks standard Data Manipulation Language (DML) statements (e.g., INSERT, UPDATE, DELETE) 
on read-only connections, it fails to detect them in specially crafted SQL statements.

This issue affects Apache Superset: before 6.0.0.

Users are recommended to upgrade to version 6.0.0, which fixes the issue.

Credit:

Trung Đức Lê (reporter)
Beto de Almeida (remediation developer)

References:

https://superset.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-23984