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CVE-2026-66082— Apache DolphinScheduler: Cross-project authorization bypasses in DolphinScheduler API (schedule / workflow）

Quick assessment

Affected
Apache Software Foundation Apache DolphinScheduler
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache DolphinScheduler 中存在一个授权绕过漏洞，允许已认证用户对非所属项目中的工作流调度、工作流定义和任务实例执行未经授权的操作。 受影响的端点在验证权限时仅检查提供的 ，但未验证目标资源是否确实属于该项目。具有某一项目相应权限的已认证用户，可以通过提供该项目的 以及另一个项目的资源标识符，从而绕过目标项目的访问限制。 受影响的端点包括： 和 ：可激活或停用其他项目中的工作流调度。 ：可更改其他项目中工作流定义的 ONLINE/OFFLINE 状态。 成功利用此漏洞后，攻击者可以更改非授权访

AI Predicted 8.1 Difficulty: Easy
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I. Basic Information for CVE-2026-66082

Vulnerability Information
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Vulnerability Title
Apache DolphinScheduler: Cross-project authorization bypasses in DolphinScheduler API (schedule / workflow）
Source: CVE Program / CVE List V5
Vulnerability Description
An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to perform unauthorized operations on workflow schedules, workflow definitions, and task instances in other projects. The affected endpoints check permissions against the supplied projectCode but fail to verify that the target resource belongs to that project. An authenticated user with the required permissions in one project can supply that project's code together with a resource identifier from another project, bypassing the target project's access restrictions. The affected endpoints include: * POST /projects/{projectCode}/schedules/{id}/online and /offline: Activate or deactivate workflow schedules in another project. * POST /projects/{projectCode}/workflow-definition/{code}/release: Change the ONLINE/OFFLINE state of workflow definitions in another project. Successful exploitation allows users to alter workflow availability and interfere with task execution in projects they are not authorized to access. This issue affects Apache DolphinScheduler: before 3.4.3. Users are recommended to upgrade to version 3.4.3, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache DolphinScheduler 0 ~ 3.4.3 -

II. Public POCs for CVE-2026-66082

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III. Intelligence Information for CVE-2026-66082

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Other References for CVE-2026-66082 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-08 · 6 CVEs total

CVE-2026-71896 Apache DolphinScheduler: Missing Authorization Checks Allow Unauthorized Disclosure of Use
CVE-2026-71895 Apache DolphinScheduler: Missing Authorization Checks Allow Non-Admin Users to Retrieve Ku
CVE-2026-71183 Apache DolphinScheduler: Missing Authorization Checks Allow Disclosure of Data Source Info
CVE-2026-66087 Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint
CVE-2026-66084 Apache DolphinScheduler: Project Authorization Bypass in the Task Definition with-upstream

IV. Related Vulnerabilities

Same product: Apache DolphinScheduler
Same vendor: Apache Software Foundation
Same weakness: CWE-863

V. Comments for CVE-2026-66082

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