Vulnerability DatabaseCVE-2026-66087
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CVE-2026-66087
Published:October 08, 2026
Updated:October 08, 2026
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.
Affected Packages
https://github.com/apache/dolphinscheduler.git (GITHUB):
Affected version(s) >=3.4.0 <3.4.3
Fix Suggestion:
Update to version 3.4.3
org.apache.dolphinscheduler:dolphinscheduler-api (JAVA):
Affected version(s) >=3.4.0 <3.4.3
Fix Suggestion:
Update to version 3.4.3
Related Resources (2)
https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn
http://www.openwall.com/lists/oss-security/2026/10/08/3
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
CWE-863
EPSS
Base Score:
0.16