CVE-2026-20202
Published: Apr 15, 2026
Modified: Apr 16, 2026
CVSS v3.1
6.6
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.
| Vendor | Product | Versions |
|---|---|---|
Splunk | Splunk Enterprise | affected 10.2 - < 10.2.2affected 10.0 - < 10.0.5affected 9.4 - < 9.4.10affected 9.3 - < 9.3.11 |
Splunk | Splunk Cloud Platform | affected 10.4.2603 - < Not Affectedaffected 10.3.2512 - < 10.3.2512.6affected 10.2.2510 - < 10.2.2510.10affected 10.1.2507 - < 10.1.2507.20affected 10.0.2503 - < 10.0.2503.13+1 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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