CVE-2025-20383: Splunk

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and below 3.9.10, 3.8.58, and 3.7.28 of Splunk Secure Gateway app in Splunk Cloud Platform, a low-privileged user that does not hold the "admin" or "power" Splunk roles and subscribes to mobile push notifications could receive notifications that disclose the title and description of the report or alert even if they do not have access to view the report or alert.

Affected products

• Splunk Splunk: from 9.2.0, before 9.2.10 (fixed in 9.2.10); from 9.3.0, before 9.3.8 (fixed in 9.3.8); from 9.4.0, before 9.4.6 (fixed in 9.4.6); from 10.0.0, before 10.0.2 (fixed in 10.0.2)
• Splunk Splunk Cloud Platform: from 9.3.2411, before 9.3.2411.120 (fixed in 9.3.2411.120); from 10.0.2503, before 10.0.2503.8 (fixed in 10.0.2503.8); from 10.1.2507, before 10.1.2507.6 (fixed in 10.1.2507.6)
• Splunk Splunk Secure Gateway: from 3.7.0, before 3.7.28 (fixed in 3.7.28); from 3.8.0, before 3.8.58 (fixed in 3.8.58); from 3.9.0, before 3.9.10 (fixed in 3.9.10)

Published 2025-12-03. Last modified 2026-06-17.