CVE-2026-47340 Apache DolphinScheduler: An incorrect authorization vulnerability allows authenticated users to access alert instances associated with alert groups they do not have permission to access.

What is CVE-2026-47340?

CVE-2026-47340 is a medium-severity missing authorization vulnerability in Apache DolphinScheduler, published on 17 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Allow authenticated users to access alert instances associated with alert groups they do not have permission to access. in Apache DolphinScheduler.

This issue affects Apache DolphinScheduler: before 3.4.2.

Users are recommended to upgrade to version 3.4.2, which fixes the issue.

Weakness: CWE-200

Which versions are affected by CVE-2026-47340?

2 open source packages ship an affected version, including org.apache.dolphinscheduler:dolphinscheduler-api. It affects 1 product.

Products include Apache Dolphinscheduler.

How do I fix CVE-2026-47340?

Upgrade org.apache.dolphinscheduler:dolphinscheduler-api to 3.4.2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-47340 being exploited?

There is no known exploitation of CVE-2026-47340 in the wild and no public exploit code.

Other vulnerabilities in Apache DolphinScheduler

• CVE-2024-43166 Apache DolphinScheduler Incorrect Default Permissions Vulnerability Critical 9.8
• CVE-2024-43202 Apache DolphinScheduler: Remote Code Execution Vulnerability Critical 9.8
• CVE-2023-49109 Remote Code Execution in Apache Dolphinscheduler Critical 9.8
• CVE-2022-45875 Apache DolphinScheduler: Remote command execution Vulnerability in script alert plugin Critical 9.8
• CVE-2022-45462 Apache DolphinScheduler prior to 2.0.5 have command execution vulnerability Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-694g-j8pj-cjj5.