What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-08 · updated 2026-10-08
• Weakness: CWE-863

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.

Affected products

• Apache Software Foundation Apache DolphinScheduler: before 3.4.3 — fixed in 3.4.3

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache DolphinScheduler 3.4.3. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread.html/pghhb42sbyv5dhx6clcj4hllxnh7c0dn
• http://www.openwall.com/lists/oss-security/2026/10/08/3

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