CVE-2026-76256
Information Exposure through REST API Endpoints in Splunk Secure Gateway
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-200 |
| Vendor | splunk |
| Product | splunk enterprise |
| Published | Aug 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Splunk / Splunk Enterprise
10.4 < 10.4.2 10.2 < 10.2.6 10.0 < 10.0.9 9.4 < 9.4.14
Splunk / Splunk Secure Gateway
3.10 < 3.10.9 3.9 < 3.9.23 3.8 < 3.8.70
References
Credits
🔍 Gabriel Nitu, Splunk