5.7
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Description
In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 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 craft a malicious classic dashboard that exfiltrates sensitive data to an external server.
The vulnerability exists because URL validation on the external content dialog is incomplete, which can allow for requests to untrusted domains when a user interacts with a crafted dashboard.
The vulnerability exists because URL validation on the external content dialog is incomplete, which can allow for requests to untrusted domains when a user interacts with a crafted dashboard.
Basic Information
ID
CVE-2026-20255
Source
cisco
Published
Jun 10, 2026 at 17:16
Modified
Jun 10, 2026 at 18:25
Affected Product
Vendor
Splunk
Product
Splunk Enterprise
Version
10.2
Affected Versions
Splunk Splunk Enterprise 10.2
Splunk Splunk Enterprise 10.0
Splunk Splunk Enterprise 9.4
Splunk Splunk Enterprise 9.3
Splunk Splunk Cloud Platform 10.3.2512
Splunk Splunk Cloud Platform 10.2.2510
Splunk Splunk Cloud Platform 10.1.2507
Splunk Splunk Cloud Platform 9.3.2411
Splunk Splunk Enterprise 10.0
Splunk Splunk Enterprise 9.4
Splunk Splunk Enterprise 9.3
Splunk Splunk Cloud Platform 10.3.2512
Splunk Splunk Cloud Platform 10.2.2510
Splunk Splunk Cloud Platform 10.1.2507
Splunk Splunk Cloud Platform 9.3.2411