Splunk Enterprise and Cloud Platform
CVE-2025-20382: URL validation bypass through Views Dashboard in Splunk Enterprise
In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.10, 10.0.2503.8, and 9.3.2411.120, a low-privileged user that does not hold the "admin" or "power" Splunk roles could create a views dashboard with a custom background using the `data:image/png;base64` protocol that could potentially lead to an unvalidated redirect.
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 | 10.1.2507.10 or later |
| Splunk Cloud Platform 10.0 | 10.0.2503.8 or later |
| Splunk Cloud Platform 9.3 | 9.3.2411.120 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 Splunk Cloud Platform versions below 10.1.2507.10, 10.0.2503.8, and 9.3.2411.120, a low-privileged user that does not hold the "admin" or "power" Splunk roles could create a views dashboard with a custom background using the `data:image/png;base64` protocol that could potentially lead to an unvalidated redirect. This behavior circumvents the Splunk external URL warning mechanism by using a specially crafted URL, allowing for a redirection to an external malicious site. The vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The authenticated user should not be able to exploit the vulnerability at will.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.