Medium [CVE-2026-76256] Information Exposure through REST API Endpoints in Splunk Secure Gateway
This medium-severity Splunk advisory covers CVE-2026-76256 affecting Splunk Enterprise, Splunk Secure Gateway.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
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.
- Splunk Enterprise 10.4 before 10.4.2
- Splunk Enterprise 10.2 before 10.2.6
- Splunk Enterprise 10.0 before 10.0.9
- Splunk Enterprise 9.4 before 9.4.14
- Splunk Secure Gateway 3.10 before 3.10.9
- Splunk Secure Gateway 3.9 before 3.9.23
- Splunk Secure Gateway 3.8 before 3.8.70
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 10.4.2
- 10.2.6
- 10.0.9
- 9.4.14
- 3.10.9
- 3.9.23
- 3.8.70
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 10.4.2, 10.2.6, 10.0.9, 9.4.14, 3.10.9, 3.9.23. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
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