---
id: CVE-2026-66087
title: "An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the\_\n\n\n\n\n\n  *  /dolphinscheduler/projects/{projectCode}/task-insta…"
summary: "An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the\_\n\n\n\n\n\n  *  /dolphinscheduler/projects/{projectCode}/task-insta…"
severity: none
cwe:
  - CWE-863
vendor: Apache Software Foundation
product: 'org.apache.dolphinscheduler:dolphinscheduler-api'
affected:
  - 'org.apache.dolphinscheduler:dolphinscheduler-api < 3.4.3'
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T10:17:10.110'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-66087'
references:
  - url: 'https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn'
    label: security@apache.org
  - url: 'http://www.openwall.com/lists/oss-security/2026/10/08/3'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-08T09:24:18.287Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.