High [CVE-2026-76355] Unauthenticated Information Disclosure through an Edge Processor Service Endpoint in Splunk Enterprise
This high-severity Splunk advisory covers CVE-2026-76355 affecting Splunk Enterprise.
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Summary
In Splunk Enterprise 10.4 versions below 10.4.2, an unauthenticated user could retrieve the information contained in Edge Processor pipeline configurations through a Representational State Transfer (REST) API endpoint when Edge Processor is turned on. The vulnerability does not affect versions prior to 10.4.
The vulnerability exists because the Edge Processor service endpoint lacks authentication controls. For more information see System architecture of the Edge Processor solution ( ) in the Splunk documentation.
- Splunk Enterprise 10.4 before 10.4.2
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation
Upgrade to a fixed release: 10.4.2. 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 1 hour ago·verify at source
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