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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-66087
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-08 09:16:41 UTC
Updated2026-10-08 21:18:02 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.002760000 probability, percentile 0.184640000 (date 2026-10-10)

Problem Types: CWE-863 | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache DolphinScheduler affected 3.4.3 semver Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/10/08/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn [email protected] lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Meng Qingwei (en)

CNA: h1ei1 (en)

CNA: meifukun (en)

CNA: yansong (en)

CNA: Omar Mousa — Red Team & Security Researcher (en)

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