Incorrect authorization in Apache DolphinScheduler - CVE-2026-42357
Published: August 25, 2026
Vulnerability identifier: #VU145234
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42357
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose workflow instance information belonging to projects they do not have permission to access.
The vulnerability exists due to improper access control in the dolphinscheduler-api when handling requests for workflow instance information. A remote user can send a crafted request to disclose workflow instance information belonging to projects they do not have permission to access.
Affected software
Apache DolphinScheduler
How to mitigate CVE-2026-42357
Install security update from vendor's website.
Apache DolphinScheduler - update to 3.4.2