CVE-2026-20202
MEDIUM EPSS 15.7%
Published Apr 15, 20262mo ago · Modified Jun 17, 20261w ago
6.6 CVSS 3.1
Published Apr 15, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity High
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
15.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-176
Affected Products 9
| Vendor | Product | Version | Range |
|---|---|---|---|
| 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 |
| 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 |
References 1
- advisory.splunk.com https://advisory.splunk.com/advisories/SVD-2026-0401
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.