CVE-2026-47340: Apache DolphinScheduler: An incorrect authorization vulnerability allows authenticated users to access alert instances associated with alert groups they do not have permission to access.

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-17 · updated 2026-10-26
Weakness: CWE-200

Description

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.

Affected products

Apache Software Foundation Apache DolphinScheduler: before 3.4.2 — fixed in 3.4.2

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache DolphinScheduler 3.4.2. Check the vendor advisory for mitigations.

References

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