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Vulnerabilities CVE-2026-76347

CVE-2026-76347

Medium
Open
TLP:CLEAR

Server-Side Request Forgery (SSRF) through the Report Notifications REST API in Splunk Secure Gateway

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Description

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 use Server-Side Request Forgery (SSRF) in report notifications to send system-authenticated requests to internal Splunk services, which could allow for changes to Search Head Cluster state and a denial of service. The vulnerability is possible because Splunk Secure Gateway does not validate report notification path values before it sends internal requests.

Details

CVSS Score
5.4
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Confidence
90%
Published
Aug 19, 2026
Last Modified
Aug 19, 2026
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