CVE-2026-66087

High

Description

An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the  * /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop * /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.

SeverityHigh
CVSS8.1
Exploit probability—
ProductApache DolphinScheduler
PublishedOct 8, 2026
First seenOct 8, 2026

How to fix

Update
  • Apache Software Foundation Apache DolphinScheduler3.4.3 or later

Affected products

ProductAffected versionsFixed in
Apache Software Foundation Apache DolphinSchedulerv < 3.4.33.4.3

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