CVE-2026-20297

HIGH

Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.2
EPSS 0.0048
EPSS Percentile 38.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-22
Status published
Products (12)
splunk/splunk 10.4.0
splunk/splunk 9.3.0 - 9.3.14
Splunk/Splunk Cloud Platform 10.1.2507 - 10.1.2507.24
Splunk/Splunk Cloud Platform 10.2.2510 - 10.2.2510.18
Splunk/Splunk Cloud Platform 10.4.2604 - 10.4.2604.6
Splunk/Splunk Cloud Platform 10.5.2605 - 10.5.2605.0
Splunk/Splunk Enterprise 10.0 - 10.0.8
Splunk/Splunk Enterprise 10.2 - 10.2.5
Splunk/Splunk Enterprise 10.4 - 10.4.1
Splunk/Splunk Enterprise 9.3 - 9.3.14
... and 2 more
Published Jul 15, 2026
Tracked Since Jul 15, 2026