CVE catalog
CVE-2026-20202
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
- Severity
- Medium · CVSS 6.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.25% · Oct 25, 2026
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.
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 | 10.2.2 | fixed |
| 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 | 10.1.2507.20 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.2.2510.10 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.3.2512.6 | fixed |
| Cpe | splunk | Not reported | 10.2.2 | fixed |
| Cpe | splunk_cloud_platform | Not reported | 10.3.2512.6 | 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 | cpe | Not reported | 10.2.2 | 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 | 10.1.2507.20 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.2.2510.10 | Not reported | Not reported | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.3.2512.6 | Not reported | Not reported | Not reported |
| Cpe | splunk | cpe | Not reported | 10.2.2 | Not reported | NVD-CVE-2026-20202 | Not reported |
| Cpe | splunk_cloud_platform | cpe | Not reported | 10.3.2512.6 | Not reported | NVD-CVE-2026-20202 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: