CVE-2026-66087: CWE-863 Incorrect Authorization in Apache Software Foundation Apache DolphinScheduler
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.
CVSS v3.1
Score 8.1high
Affected software
Apache Software Foundation
Apache DolphinScheduler
pkg:maven/Apache Software Foundation/org.apache.dolphinscheduler:dolphinscheduler-apiRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-863) in Apache DolphinScheduler permits authenticated users to bypass authorization controls and perform operations such as stopping or saving task instances in projects they should not have access to. The affected endpoints include /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop and /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint. The flaw affects all versions prior to 3.4.3, which contains the official fix.
Potential Impact
Exploitation of this vulnerability could allow unauthorized users with valid authentication to manipulate task instances in unauthorized projects, potentially disrupting workflows or causing unintended task operations. There is no indication of remote unauthenticated exploitation or broader system compromise from the provided data.
Mitigation Recommendations
Upgrade Apache DolphinScheduler to version 3.4.3 or later, which contains the official fix for this authorization bypass vulnerability. No other mitigations are specified or required according to the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-24T02:08:33.651Z
- State
- PUBLISHED
Threat ID: 6ac758f72cdf04f65601f091
Added to database: 10/08/2026, 08:48:55 UTC
Last enriched: 10/08/2026, 09:03:22 UTC
Last updated: 10/09/2026, 06:48:18 UTC
Views: 18
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