CVE-2026-66087

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

Published Oct 8, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

ssvc

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

Type Values Removed Values Added
First Time appeared Apache
Apache dolphinscheduler
Vendors & Products Apache
Apache dolphinscheduler
Type Values Removed Values Added
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.
Title Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint
Weaknesses CWE-863
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 8, 2026, 8:21 PM
Reserved
Jul 24, 2026, 2:08 AM
Status
Deferred
Published
Oct 8, 2026, 9:16 AM
Modified
Oct 8, 2026, 9:18 PM