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CVE-2026-20203

MEDIUM CVSS 3.1: 4.3
Updated Apr 17, 2026
Splunk
Parameter Value
CVSS 4.3 (MEDIUM)
Affected Versions 10.0.0 — 9.4.10
Fixed In 9.3.11
Type CWE-284 (Improper Access Control)
Vendor Splunk
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 9

Configuration From (including) Up to (excluding)
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
9.3.0 9.3.11
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
9.4.0 9.4.10
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
10.0.0 10.0.5
Splunk Splunk
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
10.2.0 10.2.2
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
9.3.2411 9.3.2411.127
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
10.0.2503 10.0.2503.13
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
10.1.2507 10.1.2507.19
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
10.2.2510 10.2.2510.10
Splunk Splunk_Cloud_Platform
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
10.3.2512 10.3.2512.6