Description
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.
Published: 2026-09-29
Score: 6.5 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Tue, 29 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
References

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache DolphinScheduler: Unauthorized Disclosure of Data Source Information via /datasources/unauth-datasource
Weaknesses CWE-306
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-09-29T20:16:17.508Z

Reserved: 2026-07-24T02:02:07.591Z

Link: CVE-2026-66083

cve-icon Vulnrichment

Updated: 2026-09-29T15:08:39.560Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-29T12:17:10.967

Modified: 2026-09-29T21:17:54.360

Link: CVE-2026-66083

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T17:15:08Z

Weaknesses