CVE Vulnerabilities

CVE-2026-20204

Insecure Temporary File

Published: Apr 15, 2026 | Modified: Apr 17, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

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.

Weakness

Creating and using insecure temporary files can leave application and system data vulnerable to attack.

Affected Software

NameVendorStart VersionEnd Version
SplunkSplunk9.3.0 (including)9.3.11 (excluding)
SplunkSplunk9.4.0 (including)9.4.10 (excluding)
SplunkSplunk10.0.0 (including)10.0.5 (excluding)
SplunkSplunk10.2.0 (including)10.2.0 (including)

References