High severity · published Jul 15, 2026
CVE-2026-20297
Path Traversal through 'explicit_appname' in the App Install REST Endpoint in Splunk Enterprise
7.2
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Splunk Cloud Platform · Splunk
10.5.2605 before 10.5.2605.0; 10.4.2604 before 10.4.2604.6; 10.2.2510 before 10.2.2510.18; 10.1.2507 before 10.1.2507.24 · source: vendor, NVD
SE
Splunk Enterprise · Splunk
10.4 before 10.4.1; 10.2 before 10.2.5; 10.0 before 10.0.8; 9.4 before 9.4.13; 9.3 before 9.3.14 · source: vendor
SP
Splunk · Splunk
9.3.0 before 9.3.14; 9.4.0 before 9.4.13; 10.0.0 before 10.0.8; 10.2.0 before 10.2.5; 10.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20297
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20297
Vendor Advisory
https://advisory.splunk.com/advisories/SVD-2026-0703
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