CVE-2026-32966: Apache DolphinScheduler: DataSource API Missing Authorization Check Leads to Arbitrary Data Source Metadata Disclosure

[Wenjun Ruan <wenjun () apache org>]

Severity: moderate 

Affected versions:

- Apache DolphinScheduler (org.apache.dolphinscheduler:dolphinscheduler-api) before 3.4.2

Description:

DataSource API Missing Authorization Check Leads to Arbitrary Data Source Metadata Disclosure in Apache 
DolphinScheduler.

This issue affects Apache DolphinScheduler: before 3.4.2.

Users are recommended to upgrade to version 3.4.2, which fixes the issue.

Credit:

b0b0haha (603571786 () qq com) (finder)
j311yl0v3u (2439839508 () qq com) (finder)

References:

https://dolphinscheduler.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-32966