7.1
/ 10
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Description
In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 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 could potentially perform a Remote Code Execution (RCE) by uploading a malicious file to the `$SPLUNK_HOME/var/run/splunk/apptemp` directory due to improper handling and insufficient isolation of temporary files within the `apptemp` directory.
Basic Information
ID
CVE-2026-20204
Source
cisco
Published
Apr 15, 2026 at 15:17
Affected Product
Vendor
Splunk
Product
Splunk Enterprise
Version
10.2
Affected Versions
Splunk Splunk Enterprise 10.2
Splunk Splunk Enterprise 10.0
Splunk Splunk Enterprise 9.4
Splunk Splunk Enterprise 9.3
Splunk Splunk Cloud Platform 10.4.2603
Splunk Splunk Cloud Platform 10.3.2512
Splunk Splunk Cloud Platform 10.2.2510
Splunk Splunk Cloud Platform 10.1.2507
Splunk Splunk Cloud Platform 10.0.2503
Splunk Splunk Cloud Platform 9.3.2411
Splunk Splunk Enterprise 10.0
Splunk Splunk Enterprise 9.4
Splunk Splunk Enterprise 9.3
Splunk Splunk Cloud Platform 10.4.2603
Splunk Splunk Cloud Platform 10.3.2512
Splunk Splunk Cloud Platform 10.2.2510
Splunk Splunk Cloud Platform 10.1.2507
Splunk Splunk Cloud Platform 10.0.2503
Splunk Splunk Cloud Platform 9.3.2411