What is CVE-2026-23902?

CVE-2026-23902 is a high-severity vulnerability in Apache Dolphinscheduler, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-04-24.

How severe is CVE-2026-23902?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Apache Dolphinscheduler

CVE-2026-23902

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.

Vulnerability class: Broken Access Control

Published 2026-04-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (37.7th percentile), scored 2026-10-22.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apache Dolphinscheduler
Apache Software Foundation Dolphinscheduler — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

lists.apache.org/thread/hy4ntb2gys8150zfmnxhsd5ph0hoh7s9 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-23902?: CVE-2026-23902 is a high-severity vulnerability in Apache Dolphinscheduler, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-04-24.
How severe is CVE-2026-23902?: High severity. CVSS v3 base score is 8.1 out of 10.