CVE-2026-20203 | THREATINT

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.

PUBLISHED Reserved 2025-10-08 | Published 2026-04-15 | Updated 2026-04-15 | Assigner cisco

MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem types

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Product status

10.2 (custom) before 10.2.2

affected

10.0 (custom) before 10.0.5

affected

9.4 (custom) before 9.4.10

affected

9.3 (custom) before 9.3.11

affected

10.4.2603 (custom) before Not Affected

affected

10.3.2512 (custom) before 10.3.2512.6

affected

10.2.2510 (custom) before 10.2.2510.10

affected

10.1.2507 (custom) before 10.1.2507.19

affected

10.0.2503 (custom) before 10.0.2503.13

affected

9.3.2411 (custom) before 9.3.2411.127

affected

Credits

Mr Hack (try_to_hack) Santiago Lopez

References

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

cve.org (CVE-2026-20203)

nvd.nist.gov (CVE-2026-20203)

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