CVE-2026-76398

Summary

In Splunk AI Toolkit versions below 6.0.1, a user who does not hold the "admin" or "power" Splunk roles could delete the experiment history of another user without permission through the Representational State Transfer (REST) API. The vulnerability is possible because Splunk AI Toolkit deletes experiment history before it verifies that the user can delete the associated experiment. For more information see Experiment Assistants (https://help.splunk.com/en/splunk-cloud-platform/apply-machine-learning/use-ai-toolkit/5.6.4/experiment-assistants) in the Splunk documentation.

Affected Software

Weaknesses

• CWE-862: The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

Workarounds

Turn off or remove the Splunk AI Toolkit app. For more information see Manage app and add-on objects in the Splunk documentation.

References

• https://advisory.splunk.com/advisories/SVD-2026-0808

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