CVE-2026-23902 — dolphinscheduler
HIGHCVE-2026-23902 is a high-severity (CVSS 8.1) CWE-863 vulnerability in org.apache.dolphinscheduler:dolphinscheduler. A fix is available for org.apache.dolphinscheduler:dolphinscheduler — see the affected versions and patch details below.
Apache DolphinScheduler: Users are able to use tenants that are not defined on the platform during workflow execution.
Exploitation Status
No confirmed exploitation observed yet
- A successful exploit gives an attacker total control of the affected component, not partial access.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2026-23902.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
org.apache.dolphinscheduler:dolphinschedulerReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
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.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.apache.dolphinscheduler:dolphinscheduler | all versions | 3.4.1org.apache.dolphinscheduler:dolphinscheduler:3.4.1 |
Affected Products
dolphinschedulerapacheDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.dolphinscheduler:dolphinscheduler, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.dolphinscheduler:dolphinscheduler to 3.4.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-23902 is resolved across your whole dependency graph.
Workarounds
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.
Frequently Asked Questions
Is CVE-2026-23902 in your dependencies?
Find it across Maven, including transitive dependencies.