High [CVE-2026-76397] Improper Access Control in Experiment History through the REST API in Splunk AI Toolkit
This high-severity Splunk advisory covers CVE-2026-76397 affecting Splunk AI Toolkit.
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Summary
In Splunk AI Toolkit versions below 6.0.0, a user who holds the "power" Splunk role could access and delete all relevant data in experiment history, including data associated with other users.
The vulnerability is possible because Splunk AI Toolkit does not preserve the trusted experiment scope when it processes caller-controlled query values before accessing restricted history data. For more information see Experiment Assistants ( ) in the Splunk documentation.
- Splunk AI Toolkit 5.7 before 6.0.0
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- 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.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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