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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-20297
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-15 18:16:44 UTC
Updated2026-07-16 05:16:18 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003810000 probability, percentile 0.304790000 (date 2026-07-20)

Problem Types: CWE-22 | CWE-22 The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Splunk Splunk Enterprise affected 10.4 10.4.1 custom Not specified
CNA Splunk Splunk Enterprise affected 10.2 10.2.5 custom Not specified
CNA Splunk Splunk Enterprise affected 10.0 10.0.8 custom Not specified
CNA Splunk Splunk Enterprise affected 9.4 9.4.13 custom Not specified
CNA Splunk Splunk Enterprise affected 9.3 9.3.14 custom Not specified
CNA Splunk Splunk Cloud Platform affected 10.5.2605 10.5.2605.0 custom Not specified
CNA Splunk Splunk Cloud Platform affected 10.4.2604 10.4.2604.6 custom Not specified
CNA Splunk Splunk Cloud Platform affected 10.2.2510 10.2.2510.18 custom Not specified
CNA Splunk Splunk Cloud Platform affected 10.1.2507 10.1.2507.24 custom Not specified

References

ReferenceSourceLinkTags
advisory.splunk.com/advisories/SVD-2026-0703 [email protected] advisory.splunk.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Vinay Manivel, Splunk (en)

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