CVE-2026-20202
MEDIUM
MEDIUM
Priority: 0.02
BB Relevance:
48/100
Published: 2026-04-15
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
High
PR:
High
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
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.
Weakness Classification (1)
Affected Software (9)
| Vendor | Product | Version |
|---|---|---|
| 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 – 10.2.2 |
| 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 – 10.1.2507.20 |
| splunk | splunk_cloud_platform | 10.2.2510 – 10.2.2510.10 |
| splunk | splunk_cloud_platform | 10.3.2512 – 10.3.2512.6 |
References & Advisories (1)
Vendor Advisory