CVE-2026-20259
Improper Access Control in Splunk Enterprise
Severity
Medium 5.5
CVSS 3.1
Exploited
Not listed
EPSS
0.002
8.8th percentile
Discovered by
Not disclosed
Published
Jun 10, 2026
Assigned by cisco
Description
In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.
Weakness: CWE-284
Affected products
| Vendor | Product | Category | Matched by |
|---|
No product mapping yet — this CVE is pending taxonomy review.
Vendor-reported affected versions (2)
- Splunk · Splunk Enterprise
- Splunk · Splunk Cloud Platform
Credit
Andres Perez, Splunk