CVE-2026-20166
Sensitive Information Disclosure in Discover Splunk Observability Cloud app for Splunk Enterprise
Severity
Medium 5.4
CVSS 3.1
Exploited
Not listed
EPSS
0.002
5.0th percentile
Discovered by
Not disclosed
Published
Mar 11, 2026
Assigned by cisco
Description
In Splunk Enterprise versions below 10.2.1 and 10.0.4, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, and 10.0.2503.12, a low-privileged user that does not hold the "admin" or "power" Splunk roles could retrieve the Observability Cloud API access token through the Discover Splunk Observability Cloud app due to improper access control. This vulnerability does not affect Splunk Enterprise versions below 9.4.9 and 9.3.10 because the Discover Splunk Observability Cloud app does not come with Splunk Enterprise.
Weakness: CWE-200
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
Will Zgoda, Splunk