CVE-2026-66083 — Apache DolphinScheduler: Unauthorized Disclosure of Data Source Information via /datasources/unauth-datasource

Description (CNA)

The /datasources/unauth-datasource endpoint does not properly enforce data source authorization. An authenticated user can invoke this endpoint to obtain information about data sources they are not authorized to access. This may expose data source configuration and other sensitive metadata, depending on the fields returned by the endpoint. This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache DolphinScheduler	affected 0 before 3.4.3

CWE

CWE-306

References

https://lists.apache.org/thread/b6brfom0jmy9kdt40qrn6dq0x4v2wxdr

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/09/29/19

CISA-ADP

No English description supplied.

No references supplied.