CVE-2026-20203

Name: CVE-2026-20203
Creator: NVD / NIST
Published: 2026-04-15T16:16:34.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2026-20203 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.15%

4.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Splunk	Splunk	>= 9.3.0, < 9.3.11
Splunk	Splunk	>= 9.4.0, < 9.4.10
Splunk	Splunk	>= 10.0.0, < 10.0.5
Splunk	Splunk	>= 10.2.0, < 10.2.2
Splunk	Splunk Cloud Platform	>= 9.3.2411, < 9.3.2411.127
Splunk	Splunk Cloud Platform	>= 10.0.2503, < 10.0.2503.13
Splunk	Splunk Cloud Platform	>= 10.1.2507, < 10.1.2507.19
Splunk	Splunk Cloud Platform	>= 10.2.2510, < 10.2.2510.10
Splunk	Splunk Cloud Platform	>= 10.3.2512, < 10.3.2512.6

References

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

Timeline

Published: Apr 15, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-20203?

How severe is CVE-2026-20203?

CVE-2026-20203 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-20203?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20203?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST