CVE-2026-76256
Reported by cisco · Published August 19, 2026
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the "admin" or "power" Splunk roles could read sensitive Security Assertion Markup Language setup and instance settings information through Splunk Secure Gateway Representational State Transfer (REST) API endpoints. The vulnerability is possible because the affected Security Assertion Markup Language setup and instance settings REST API endpoints do not enforce authorization requirements before returning configuration information.
EPSS 0.23% · 13.5th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise | 10.4, 10.2, 10.0 |
| Splunk | Splunk Secure Gateway | 3.10, 3.9, 3.8 |
| Splunk | Splunk Secure Gateway | 3.10, 3.9, 3.8 |
| Splunk | Splunk Enterprise | 10.4, 9.4, 10.2 |
Timeline
- Aug 19, 2026 CVE Published
- Aug 20, 2026 Coalition ESS Score
- Aug 20, 2026 CVE Updated
- Aug 24, 2026 EPSS Score