CVE-2026-23902 Apache DolphinScheduler: Users are able to use tenants that are not defined on the platform during workflow execution.

What is CVE-2026-23902?

CVE-2026-23902 is a high-severity missing authorization vulnerability in Apache DolphinScheduler, published on 24 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Incorrect Authorization vulnerability in Apache DolphinScheduler allows authenticated users with system login permissions to use tenants that are not defined on the platform during workflow execution.

This issue affects Apache DolphinScheduler versions prior to 3.4.1. 

Users are recommended to upgrade to version 3.4.1, which fixes this issue.

Weakness: CWE-863

Which versions are affected by CVE-2026-23902?

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

Products include Apache Dolphinscheduler.

How do I fix CVE-2026-23902?

Upgrade org.apache.dolphinscheduler:dolphinscheduler to 3.4.1 or later.

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

Is CVE-2026-23902 being exploited?

There is no known exploitation of CVE-2026-23902 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-72mv-wwvm-vgp5.