Description
In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.10, and 9.3.11, and Splunk Cloud Platform versions below 10.4.2603.0, 10.3.2512.6, 10.2.2510.10, 10.1.2507.20, 10.0.2503.13, and 9.3.2411.127, a user who holds a role that contains the high-privilege capability `edit_user`could create a specially crafted username that includes a null byte or a non-UTF-8 percent-encoded byte due to improper input validation.<br><br>This could lead to inconsistent conversion of usernames into a proper format for storage and account management inconsistencies, such as being unable to edit or delete affected users.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Splunk | Splunk Enterprise | 10.2 – < 10.2.2, 10.0 – < 10.0.5, 9.4 – < 9.4.10, 9.3 – < 9.3.11 | 10.2.2 |
| Splunk | Splunk Cloud Platform | 10.4.2603 – < Not Affected, 10.3.2512 – < 10.3.2512.6, 10.2.2510 – < 10.2.2510.10, 10.1.2507 – < 10.1.2507.20, 10.0.2503 – < 10.0.2503.13, 9.3.2411 – < 9.3.2411.127 | Not Affected |
Advisories 1
- WID-SEC-2026-1139 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 15, 2026