Medium severity · published May 20, 2026
CVE-2026-20238
Improper Access Control through Role Inheritance in Splunk AI Toolkit app
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
In Splunk AI Toolkit versions below 5.7.3, a low-privileged user that does not hold the 'admin' or 'power' roles could access confidential data that was restricted through `srchFilter` configurations on custom roles.<br><br>The app contains an `authorize.conf` configuration file with a `srchFilter` entry that modifies the built-in ‘user’ role. Because the Splunk platform combines inherited search filters with the `OR` SPL operator, the injected filter overrides more restrictive filters on child roles.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Splunk AI Toolkit · Splunk
5.7 before 5.7.3 · source: vendor
AT
AI Toolkit · Splunk
5.7.0 before 5.7.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20238
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20238
Mitigation
https://advisory.splunk.com/advisories/SVD-2026-0502
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