Splunk AI Toolkit up to 5.x Agent Run History privileges management

Summaryinfo

A vulnerability was found in Splunk AI Toolkit up to 5.x. It has been rated as critical. This issue affects some unknown processing of the component Agent Run History Handler. This manipulation causes privileges management. This vulnerability appears as CVE-2026-76391. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Splunk AI Toolkit up to 5.x. Affected by this vulnerability is an unknown function of the component Agent Run History Handler. 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, integrity, and availability. The summary by CVE is:

In Splunk AI Toolkit versions below 6.0.0, a user who does not hold the "admin" or "power" Splunk roles could run searches with system-level privileges, access all relevant data, affect system integrity, and read or delete search jobs belonging to other users through Agent Run History. The improper privilege management is possible because the Agent Run History handler replaces the calling user session key with a system authentication token before it performs search operations. For more information see AI Toolkit Agent Launchpad (https://help.splunk.com/en/splunk-enterprise/apply-machine-learning/use-ai-toolkit/6.0.0/ai-toolkit-connections-containers-and-agents/ai-toolkit-agent-launchpad) in the Splunk documentation.

It is possible to read the advisory at advisory.splunk.com. This vulnerability is known as CVE-2026-76391 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 6.0.0 eliminates this vulnerability.

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Productinfo

Type

• Log Management Software

Vendor

• Splunk

Name

• AI Toolkit

Version

• 5.x

License

• free

CPE 2.3info

• 🔒

CPE 2.2info

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