CVE-2026-20297: Splunk

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, 9.4.13, and 9.3.14, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.6, 10.2.2510.18, and 10.1.2507.24, a user who holds a role that contains the `edit_local_apps` and `install_apps` capabilities could cause a legitimate app installation to write files outside the intended app directory, into `$SPLUNK_HOME/etc/` and its subdirectories.<br><br>The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory.

Affected products

• Splunk Splunk: from 9.3.0, before 9.3.14 (fixed in 9.3.14); from 9.4.0, before 9.4.13 (fixed in 9.4.13); from 10.0.0, before 10.0.8 (fixed in 10.0.8); from 10.2.0, before 10.2.5 (fixed in 10.2.5); version 10.4.0 only
• Splunk Splunk Cloud Platform: from 10.1.2507, before 10.1.2507.24 (fixed in 10.1.2507.24); from 10.2.2510, before 10.2.2510.18 (fixed in 10.2.2510.18); from 10.4.2604, before 10.4.2604.6 (fixed in 10.4.2604.6)

Published 2026-07-15. Last modified 2026-07-24.