CVE-2026-42357: Apache DolphinScheduler: Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access.

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% 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-863

Description

Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access. This issue affects Apache DolphinScheduler versions prior to 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes this 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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