Information Disclosure Vulnerability in Splunk Enterprise Edge Processor
CVE-2026-76355

7.5HIGH

Key Information:

Vendor

Splunk
Status
Splunk Enterprise
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76355?

In Splunk Enterprise versions 10.4 and earlier than 10.4.2, a serious vulnerability allows unauthenticated users to access sensitive Edge Processor pipeline configurations via a REST API endpoint when Edge Processor functionality is enabled. This issue arises from insufficient authentication controls at the Edge Processor service endpoint, potentially exposing critical system data. It's essential to upgrade to version 10.4.2 or later to mitigate this vulnerability and protect your configurations from unauthorized access.

Affected Version(s)

Splunk Enterprise 10.4 < 10.4.2

References

https://advisory.splunk.com/advisories/SVD-2026-0801

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gabriel Nitu, Splunk
.