Auth bypass in Splunk Ai Toolkit
CVE-2026-76397
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 (https://help.splunk.com/en/splunk-cloud-platform/apply-machine-learning/use-ai-toolkit/5.6.4/experiment-assistants) in the Splunk documentation.
Vulnerability class: IDOR (Insecure Direct Object Reference)
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-76397?
- CVE-2026-76397 is a high-severity vulnerability in Splunk Ai Toolkit, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-08-19.
- How severe is CVE-2026-76397?
- High severity. CVSS v3 base score is 8.1 out of 10.