CVE-2026-20163 HIGH

CVE-2026-20163: Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise

Vendor Splunk
Product Splunk Enterprise
Weakness CWE-77
Published March 11, 2026
Last update March 12, 2026
View on NVD All CVEs

CVSS base score

8.0/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.

Key dates

02Disclosure timeline

March 11, 2026 CVE published
March 12, 2026 Record updated