Vulnerability · Published Apr 15, 2026 · Assigned by cisco
CVE-2026-20203Improper Access Control in Data Model Acceleration in Splunk Enterprise
Medium 4.3
In plain English
A medium-severity improper access control in Splunk Cloud Platform from Splunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise | 10.2 – before 10.2.210.0 – before 10.0.59.4 – before 9.4.109.3 – before 9.3.11 |
| Splunk | Splunk Cloud Platform | 10.4.2603 – before Not Affected10.3.2512 – before 10.3.2512.610.2.2510 – before 10.2.2510.1010.1.2507 – before 10.1.2507.1910.0.2503 – before 10.0.2503.139.3.2411 – before 9.3.2411.127 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N