Splunk Enterprise <=10.2.2 Data Model Accel Improper Access Control
CVE-2026-20203 Published on April 15, 2026
Improper Access Control in Data Model Acceleration in Splunk Enterprise
In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.6, 10.2.2510.10, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles, has write permission on the app, and does not hold the high-privilege capability `accelerate_datamodel`, could turn on or off Data Model Acceleration due to improper access control.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-20203 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-20203
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Affected Versions
Splunk Enterprise:- Version 10.2 and below 10.2.2 is affected.
- Version 10.0 and below 10.0.5 is affected.
- Version 9.4 and below 9.4.10 is affected.
- Version 9.3 and below 9.3.11 is affected.
- Version 10.4.2603 and below Not Affected is affected.
- Version 10.3.2512 and below 10.3.2512.6 is affected.
- Version 10.2.2510 and below 10.2.2510.10 is affected.
- Version 10.1.2507 and below 10.1.2507.19 is affected.
- Version 10.0.2503 and below 10.0.2503.13 is affected.
- Version 9.3.2411 and below 9.3.2411.127 is affected.