Splunk Enterprise/Secure Gateway prior 10.2.8 Key Value Store privileges management

Summaryinfo

A vulnerability identified as problematic has been detected in Splunk Enterprise and Secure Gateway. The affected element is an unknown function of the component Key Value Store. This manipulation causes privileges management. This vulnerability is registered as CVE-2026-76292. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Splunk Enterprise and Secure Gateway. Affected by this vulnerability is some unknown functionality of the component Key Value Store. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. The summary by CVE is:

In Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, and Splunk Secure Gateway versions below 3.10.12, 3.9.26, and 3.8.73, a low-privileged user that does not hold the "admin" Splunk role or the "sc_admin" Splunk Secure Gateway role could read mobile alert notification data for other users through Splunk Secure Gateway App Key Value Store (KV Store) Representational State Transfer (REST) API endpoints. The vulnerability is possible because the affected Splunk Secure Gateway App Key Value Store collections do not enforce user-level authorization for read requests. For more information see About the app key value store (https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/administer-the-app-key-value-store/about-the-app-key-value-store) and About configuring role-based user access (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.2/manage-splunk-platform-users-and-roles/about-configuring-role-based-user-access) in the Splunk documentation.

It is possible to read the advisory at advisory.splunk.com. This vulnerability is known as CVE-2026-76292 since 08/19/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 10.4.4, 10.2.8, 10.0.11, 9.4.16, 3.10.12, 3.9.26 or 3.8.73 eliminates this vulnerability.

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Productinfo

Type

• Log Management Software

Vendor

• Splunk

Name

• Enterprise
• Secure Gateway

License

• commercial

CPE 2.3info

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CPE 2.2info

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