CVE-2026-20204
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.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.1
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS probability
- 3.28%
- CWE
- CWE-377
- Published
- 2026-04-15
- Last modified
- 2026-04-16
Affected products
- Splunk Splunk Enterprise
- Splunk Splunk Enterprise
- Splunk Splunk Enterprise
- Splunk Splunk Enterprise
- Splunk Splunk Cloud Platform
- Splunk Splunk Cloud Platform
- Splunk Splunk Cloud Platform
- Splunk Splunk Cloud Platform
Weakness type
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