CVE-2026-20141
Received Received - Intake
Improper Access Control in Splunk Monitoring Console Causes Data Disclosure

Publication date: 2026-02-18

Last updated on: 2026-02-23

Assigner: Cisco Systems, Inc.

Description
In Splunk Enterprise versions below 10.0.2, 10.0.3, 9.4.8, and 9.3.9, a low-privileged user who does not hold the "admin" Splunk role could access the Splunk Monitoring Console App endpoints due to an improper access control. This could lead to a sensitive information disclosure.<br><br>The Monitoring Console app is a bundled app that comes with Splunk Enterprise. It is not available for download on SplunkBase, and is not installed on Splunk Cloud Platform instances. This vulnerability does not affect [Cloud Monitoring Console](https://help.splunk.com/en/splunk-cloud-platform/administer/admin-manual/10.2.2510/monitor-your-splunk-cloud-platform-deployment/introduction-to-the-cloud-monitoring-console).
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Meta Information
Published
2026-02-18
Last Modified
2026-02-23
Generated
2026-06-16
AI Q&A
2026-02-18
EPSS Evaluated
2026-06-14
NVD
CVE-2026-20141
EUVD
EUVD-2026-7912
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
splunk splunk From 10.0.0 (inc) to 10.0.3 (exc)
splunk splunk From 9.3.0 (inc) to 9.3.9 (exc)
splunk splunk From 9.4.0 (inc) to 9.4.8 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
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Executive Summary

[{'type': 'paragraph', 'content': 'CVE-2026-20141 is an improper access control vulnerability in the Splunk Monitoring Console App affecting certain versions of Splunk Enterprise.'}, {'type': 'paragraph', 'content': 'Specifically, low-privileged users who do not have the "admin" role can access Monitoring Console endpoints that should be restricted.'}, {'type': 'paragraph', 'content': 'This unauthorized access can lead to the disclosure of sensitive information.'}, {'type': 'paragraph', 'content': 'The vulnerability affects Splunk Enterprise versions prior to 10.0.2, 10.0.3, 9.4.8, and 9.3.9, but does not affect the Cloud Monitoring Console or Splunk Cloud Platform instances.'}] [1]

Impact Analysis

This vulnerability allows low-privileged users to access sensitive information through the Monitoring Console endpoints without proper authorization.

While it does not impact confidentiality directly according to the CVSS score, it has a low integrity impact, meaning unauthorized users could potentially view or influence some data they should not access.

There is no impact on availability.

Overall, this could lead to sensitive information disclosure within your Splunk Enterprise environment if the vulnerable versions are used.

Compliance Impact

I don't know

Detection Guidance

No detection methods or specific commands to identify this vulnerability on your network or system are provided.

Mitigation Strategies

The only recommended mitigation is to upgrade Splunk Enterprise to the fixed versions: 10.0.3, 9.4.8, or 9.3.9, depending on your current version.

No other mitigations or workarounds are available.

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