CVE-2026-20203 — Improper Access Control in Data Model Acceleration in Splunk Enterprise

Description (CNA)

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 (CNA)

Vendor / product	Versions
Splunk / Splunk Enterprise	affected 10.2 before 10.2.2; affected 10.0 before 10.0.5; affected 9.4 before 9.4.10; affected 9.3 before 9.3.11
Splunk / Splunk Cloud Platform	affected 10.4.2603 before Not Affected; affected 10.3.2512 before 10.3.2512.6; affected 10.2.2510 before 10.2.2510.10; affected 10.1.2507 before 10.1.2507.19; affected 10.0.2503 before 10.0.2503.13; affected 9.3.2411 before 9.3.2411.127

CWE

CWE-284

References

https://advisory.splunk.com/advisories/SVD-2026-0402

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.