Splunk Enterprise and Cloud Platform
CVE-2026-20163: Remote Command Execution (RCE) through the '/splunkd/__upload/indexing/preview' REST endpoint in Splunk Enterprise
In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.
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 | 10.0.4 or later |
| Splunk Enterprise 9.4 | 9.4.9 or later |
| Splunk Enterprise 9.3 | 9.3.10 or later |
| Splunk Cloud Platform 10.2 | 10.2.2510.5 or later |
| Splunk Cloud Platform 10.0 | 10.0.2503.12 or later |
| Splunk Cloud Platform 10.1 | 10.1.2507.16 or later |
| Splunk Cloud Platform 9.3 | 9.3.2411.124 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
In Splunk Enterprise versions below 10.2.0, 10.0.4, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.0.2503.12, 10.1.2507.16, and 9.3.2411.124, a user who holds a role that contains the high-privilege capability `edit_cmd` could execute arbitrary shell commands using the `unarchive_cmd` parameter for the `/splunkd/__upload/indexing/preview` REST endpoint.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.