CVE-2026-32966

Critical

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.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Apache Dolphinscheduler

PublishedJun 17, 2026

First seenJun 17, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

apache dolphinscheduler3.4.2 or later
org.apache.dolphinscheduler:dolphinscheduler-api3.4.2 or later

Vendor advisories

lists.apache.org/thread/4f1fojpj26z9y5nd1ko845gcknpn75g2

Affected products

Product	Affected versions	Fixed in
apache dolphinscheduler	v < 3.4.2	3.4.2
org.apache.dolphinscheduler:dolphinscheduler-apiMaven	v < 3.4.2	3.4.2

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