Splunk Enterprise and Cloud Platform
CVE-2026-20297: Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise
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 `$SPLUNK_HOME/etc/` and its subdirectories.<br><br>The vulnerability is caused by a path traversal in the app installation workflow, which does not restrict the installation path to the intended app directory.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Splunk Enterprise 10.4 | 10.4.1 or later |
| Splunk Enterprise 10.2 | 10.2.5 or later |
| Splunk Enterprise 10.0 | 10.0.8 or later |
| Splunk Enterprise 9.4 | 9.4.13 or later |
| Splunk Enterprise 9.3 | 9.3.14 or later |
| Splunk Cloud Platform 10.5 | 10.5.2605.0 or later |
| Splunk Cloud Platform 10.4 | 10.4.2604.6 or later |
| Splunk Cloud Platform 10.2 | 10.2.2510.18 or later |
| Splunk Cloud Platform 10.1 | 10.1.2507.24 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, 9.4.13, and 9.3.14, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.6, 10.2.2510.18, and 10.1.2507.24, a user who holds a role that contains the `edit_local_apps` and `install_apps` capabilities could cause a legitimate app installation to write files outside the intended app directory, into `$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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.