What is CVE-2026-47340?

CVE-2026-47340 is a medium-severity vulnerability in Apache Dolphinscheduler, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-06-17.

How severe is CVE-2026-47340?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Apache Dolphinscheduler

CVE-2026-47340

Allow authenticated users to access alert instances associated with alert groups they do not have permission to access. in Apache DolphinScheduler. This issue affects Apache DolphinScheduler: before 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes the issue.

Vulnerability class: Information Disclosure

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% 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: 0.005 · change: +0.001

Affected products

Apache Dolphinscheduler
Apache Software Foundation Dolphinscheduler — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

lists.apache.org/thread/gx6v1wjb6qg3fzksxomysspy2gw54ooc (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-47340?: CVE-2026-47340 is a medium-severity vulnerability in Apache Dolphinscheduler, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-06-17.
How severe is CVE-2026-47340?: Medium severity. CVSS v3 base score is 6.5 out of 10.