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CVE-2026-66087— Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint

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，允许已认证用户通过以下 API 接口操作其无权访问的项目中的任务实例： 此问题影响 Apache DolphinScheduler 3.4.3 之前的版本。 建议用户升级至 3.4.3 版本，该版本已修复此漏洞。

AI Predicted 5.4 Difficulty: Easy
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I. Basic Information for CVE-2026-66087

Vulnerability Information
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Vulnerability Title
Apache DolphinScheduler: Project Authorization Bypass in the Task instance stop/savepoint Endpoint
Source: CVE Program / CVE List V5
Vulnerability 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.
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-2026-66087

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III. Intelligence Information for CVE-2026-66087

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Other References for CVE-2026-66087 (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-2026-66084 Apache DolphinScheduler: Project Authorization Bypass in the Task Definition with-upstream
CVE-2026-66082 Apache DolphinScheduler: Cross-project authorization bypasses in DolphinScheduler API (sch

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-66087

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