CVE catalog
CVE-2026-20204
In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a
- Severity
- High · CVSS 7.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.10% · Oct 25, 2026
In Splunk Enterprise versions below 10.2.1, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.5, 10.2.2510.9, 10.1.2507.19, 10.0.2503.13, and 9.3.2411.127, a low-privileged user that does not hold the `admin` or `power` Splunk roles could potentially perform a Remote Code Execution (RCE) by uploading a malicious file to the `$SPLUNK_HOME/var/run/splunk/apptemp` directory due to improper handling and insufficient isolation of temporary files within the `apptemp` directory.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | splunk | Not reported | 9.3.11 | fixed |
| Cpe | splunk | Not reported | 9.4.10 | fixed |
| Cpe | splunk | Not reported | 10.0.5 | fixed |
| Cpe | splunk | Not reported | Not reported | unknown |
| Cpe | splunk_cloud_platform | Not reported | 9.3.2411.127 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.0.2503.13 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.1.2507.19 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.2.2510.9 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.3.2512.5 | fixed |
| Cpe | splunk | Not reported | Not reported | unknown |
| Cpe | splunk_cloud_platform | Not reported | 10.3.2512.5 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | splunk | cpe | Not reported | 9.3.11 | Not reported | Not reported | Not reported |
| Cpe | splunk | cpe | Not reported | 9.4.10 | Not reported | Not reported | Not reported |
| Cpe | splunk | cpe | Not reported | 10.0.5 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 9.3.2411.127 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.0.2503.13 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.1.2507.19 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.2.2510.9 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.3.2512.5 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.3.2512.5 | Not reported | NVD-CVE-2026-20204 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: