CVE-2026-20204
HIGH EPSS 86.9%
Published Apr 15, 20262mo ago · Modified Jun 17, 20262w ago
7.1 CVSS 3.1
Published Apr 15, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
86.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-377
Affected Products 9
| Vendor | Product | Version | Range |
|---|---|---|---|
| splunk | splunk | * | ≥9.3.0 – <9.3.11 |
| splunk | splunk | * | ≥9.4.0 – <9.4.10 |
| splunk | splunk | * | ≥10.0.0 – <10.0.5 |
| splunk | splunk | 10.2.0 | any |
| splunk | splunk_cloud_platform | * | ≥9.3.2411 – <9.3.2411.127 |
| splunk | splunk_cloud_platform | * | ≥10.0.2503 – <10.0.2503.13 |
| splunk | splunk_cloud_platform | * | ≥10.1.2507 – <10.1.2507.19 |
| splunk | splunk_cloud_platform | * | ≥10.2.2510 – <10.2.2510.9 |
| splunk | splunk_cloud_platform | * | ≥10.3.2512 – <10.3.2512.5 |
References 1
- advisory.splunk.com https://advisory.splunk.com/advisories/SVD-2026-0403
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.