VDB
CVE-2026-20258
CVE-2026-20258
PUBLISHED
CVSS 7.1 HIGH
Reported by cisco · Published June 10, 2026
In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.11, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could store a malicious script in a classic dashboard HTML panel, causing unauthorized JavaScript code to execute in the browser of another user. The vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The low-privileged user should not be able to exploit the vulnerability at will.
Risk Scores
CVSS 3.1
7.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk Enterprise | 10.2, 10.0, 9.4 |
| Splunk | Splunk Cloud Platform | 10.3.2512, 10.2.2510, 10.1.2507 |
| Splunk | Splunk Enterprise | 10.2, 10.0, 9.4 |
| Splunk | Splunk Cloud Platform | 10.3.2512, 10.2.2510, 10.1.2507 |
Timeline
- Jun 10, 2026 CVE Published
- Jun 10, 2026 CVE Updated
- Jun 11, 2026 Coalition ESS Score
- Jun 12, 2026 Security Advisory