Splunk Enterprise and Cloud Platform
CVE-2025-20389: Improper Input Validation in "label" column field in Splunk Secure Gateway App
In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and versions below 3.9.10, 3.8.58 and 3.7.28 of the Splunk Secure Gateway app on Splunk Cloud Platform, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious payload through the `label` column field after adding a new device in the Splunk Secure Gateway app.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Splunk Enterprise 10.0 | 10.0.2 or later |
| Splunk Enterprise 9.4 | 9.4.6 or later |
| Splunk Enterprise 9.3 | 9.3.8 or later |
| Splunk Enterprise 9.2 | 9.2.10 or later |
| Splunk Cloud Platform 10.1 | 10.1.2507.6 or later |
| Splunk Cloud Platform 10.0 | 10.0.2503.8 or later |
| Splunk Cloud Platform 9.3 | 9.3.2411.120 or later |
| Splunk Secure Gateway 3.9 | 3.9.10 or later |
| Splunk Secure Gateway 3.8 | 3.8.58 or later |
| Splunk Secure Gateway 3.7 | 3.7.28 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and versions below 3.9.10, 3.8.58 and 3.7.28 of the Splunk Secure Gateway app on Splunk Cloud Platform, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious payload through the `label` column field after adding a new device in the Splunk Secure Gateway app. This could potentially lead to a client-side denial of service (DoS).
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.