CVE-2026-20141 Improper Access Control in Splunk Monitoring Console App
Low-privileged users can access Monitoring Console endpoints to disclose sensitive information due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20141?
CVE-2026-20141 is a medium-severity missing authorization vulnerability in Splunk Splunk, published on 18 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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).
Weakness: CWE-200
Which versions are affected by CVE-2026-20141?
It affects 1 product.
Products include Splunk Splunk.
How do I fix CVE-2026-20141?
No fix has been published for CVE-2026-20141 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-20141 being exploited?
There is no known exploitation of CVE-2026-20141 in the wild and no public exploit code.
Other vulnerabilities in Splunk Splunk
- CVE-2026-20253 Splunk Enterprise Missing Authentication for Critical Function
- CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise
- CVE-2026-76284 Improper Neutralization in Splunk Enterprise
- CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise
- CVE-2017-17067 Auth bypass in n/a
Sources
Also known as GHSA-64jv-v62f-2xrg.