What’s Vulnerable › Vulnerabilities
CVE-2026-20297: Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-15 · updated 2026-07-24
- Weakness: CWE-22
Description
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 Enterprise: from 9.3.0 before 9.3.14; from 9.4.0 before 9.4.13; from 10.0.0 before 10.0.8; from 10.2.0 before 10.2.5; 10.4.0 — fixed in 10.0.8, 10.2.5, 9.3.14, 9.4.13
- Splunk Cloud Platform: from 10.1.2507 before 10.1.2507.24; from 10.2.2510 before 10.2.2510.18; from 10.4.2604 before 10.4.2604.6 — fixed in 10.1.2507.24, 10.2.2510.18, 10.4.2604.6
How to fix
Upgrade to a fixed version: Splunk Enterprise 10.0.8, 10.2.5, 9.3.14, 9.4.13; Splunk Cloud Platform 10.1.2507.24, 10.2.2510.18, 10.4.2604.6. Check the vendor advisory for mitigations.
References
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