CVE-2026-20240
Description
In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.11, and 9.3.12, and Splunk Cloud Platform versions below 10.4.2603.1, 10.3.2512.9, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13, and 9.3.2411.129, a low-privileged user that does not hold the ‘admin’ or ‘power’ Splunk roles could cause a Denial of Service by exploiting the `coldToFrozen.sh` script in the `splunk_archiver` app to rename critical Splunk directories, making the instance non-functional.<br><br>The Denial of Service is possible because of missing input validation in the `coldToFrozen.sh` script, which accepts arbitrary file paths and renames them without restricting operations to safe directories.
CVSS Details
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Threat Intelligence
Weaknesses 1
Affected Products 10
| Vendor | Product | Version | Range |
|---|---|---|---|
| splunk | splunk | * | ≥9.3.0 – <9.3.12 |
| splunk | splunk | * | ≥9.4.0 – <9.4.11 |
| splunk | splunk | * | ≥10.0.0 – <10.0.5 |
| splunk | splunk | * | ≥10.2.0 – <10.2.2 |
| splunk | splunk_cloud_platform | * | ≥9.3.2411 – <9.3.2411.129 |
| splunk | splunk_cloud_platform | * | ≥10.0.2503 – <10.0.2503.13 |
| splunk | splunk_cloud_platform | * | ≥10.1.2507 – <10.1.2507.21 |
| splunk | splunk_cloud_platform | * | ≥10.2.2510 – <10.2.2510.11 |
| splunk | splunk_cloud_platform | * | ≥10.3.2512 – <10.3.2512.9 |
| splunk | splunk_cloud_platform | 10.4.2603 | any |
References 1
- advisory.splunk.com https://advisory.splunk.com/advisories/SVD-2026-0504
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.