Path Traversal through the Lookup Configuration REST API in Splunk Enterprise

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-76317
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-19 22:17:15 UTC
Updated2026-08-21 04:18:21 UTC
DescriptionIn Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the "admin" or "power" Splunk roles could move files that the user account running Splunk Enterprise can read into a lookup that the user controls. The user could then access all relevant data and affect system integrity and availability on the search head. The vulnerability is possible because the lookup configuration endpoint does not resolve lookup source paths before checking whether they stay inside the allowed lookup staging area. For more information see About lookups (https://help.splunk.com/en/splunk-enterprise/manage-knowledge-objects/knowledge-management-manual/10.4/use-lookups-in-splunk-web/about-lookups) and Define roles on the Splunk platform with capabilities (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities) in the Splunk documentation.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.003780000 probability, percentile 0.311720000 (date 2026-08-21)

Problem Types: CWE-26 | CWE-26 The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize /dir/../filename sequences that can resolve to a location that is outside of that directory.

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Splunk Splunk All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Splunk Splunk Enterprise affected 10.4 10.4.2 custom Not specified
CNA Splunk Splunk Enterprise affected 10.2 10.2.6 custom Not specified
CNA Splunk Splunk Enterprise affected 10.0 10.0.9 custom Not specified
CNA Splunk Splunk Enterprise affected 9.4 9.4.14 custom Not specified

References

ReferenceSourceLinkTags
advisory.splunk.com/advisories/SVD-2026-0801 [email protected] advisory.splunk.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher.

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