Apache DolphinScheduler <3.4.1 Auth Bypass: Tenant Hijack
CVE-2026-23902 Published on April 24, 2026

Apache DolphinScheduler: Users are able to use tenants that are not defined on the platform during workflow execution.
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-23902 is exploitable 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 and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE

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-2026-23902 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2026-23902

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Apache DolphinScheduler
 

Affected Versions

Apache Software Foundation Apache DolphinScheduler:

Exploit Probability

EPSS
0.05%
Percentile
13.94%

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.