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

Published Jun 17, 2026
·
Updated

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.

Affected Software

3 affected componentsFixes available
Apache Dolphinscheduler<3.4.2
Apache Dolphinscheduler<3.4.2
maven/org.apache.dolphinscheduler:dolphinscheduler-api<3.4.2
3.4.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade maven/org.apache.dolphinscheduler:dolphinscheduler-api to a version that resolves this vulnerability.

    Fixed in 3.4.2

Event History

Jun 17, 2026
CVE Published
via MITRE·08:43 AM
Data Sourced
via MITRE·08:43 AM
DescriptionWeakness
Data Sourced
via NVD·01:20 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·06:35 PM
Data Sourced
via GitHub·06:35 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2026-32966?

CVE-2026-32966 is a critical vulnerability in Apache DolphinScheduler where the DataSource API lacks proper authorization checks, leading to potential data source metadata disclosure.

2

What is the severity of CVE-2026-32966?

CVE-2026-32966 has a critical severity rating of 9.8 on the CVSS scale.

3

How do I fix CVE-2026-32966?

To fix CVE-2026-32966, users should upgrade to Apache DolphinScheduler version 3.4.2 or later.

4

What could be exposed due to CVE-2026-32966?

CVE-2026-32966 could lead to arbitrary disclosure of sensitive data source metadata.

5

Which versions of Apache DolphinScheduler are affected by CVE-2026-32966?

All versions of Apache DolphinScheduler before 3.4.2 are affected by CVE-2026-32966.

Company

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