Apache DolphinScheduler <3.4.2 Improper Auth Grants Unauthorized Workflow Access
CVE-2026-42357 Published on June 17, 2026
Apache DolphinScheduler: Incorrect Authorization vulnerability allows users to access workflow instance information belonging to projects they do not have permission to access.
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.
Vulnerability Analysis
CVE-2026-42357 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-42357 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-42357
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Affected Versions
Apache Software Foundation Apache DolphinScheduler:- Before 3.4.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.