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CVE-2026-66087

Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint

Apache Software Foundation Apache DolphinScheduler
Open in ThreatlineRecord JSON
CVSS
8.1High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.28%Chance of exploitation activity in the next 30 days, higher than 19% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.4.3Fixed versionCVE List
Published8 Oct 2026Updated 8 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 1

  • Apache DolphinScheduleraffected: all versions before 3.4.3CVE List

References 1