Improper access control in Apache DolphinScheduler - CVE-2026-23902
Published: August 25, 2026
Vulnerability identifier: #VU145330
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-23902
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to use tenants that are not defined on the platform during workflow execution.
The vulnerability exists due to improper access control in dolphinscheduler-api when executing workflows. A remote user can use an undefined tenant during workflow execution to use tenants that are not defined on the platform during workflow execution.
Exploitation requires valid system login permissions.
Affected software
Apache DolphinScheduler
How to mitigate CVE-2026-23902
Install security update from vendor's website.
Apache DolphinScheduler - update to 3.4.1