CVE-2026-20296

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.7, 10.3.2512.16, 10.2.2510.18, and 10.1.2507.24, an attacker could trick a user that holds a role with the `list_deployment_server` capability into running arbitrary Search Processing Language (SPL) searches on their behalf as `splunk-system-user`, allowing for access to stored credentials and indexed data.<br><br>The vulnerability is possible because Deployment Server endpoints in Splunk Web do not validate Cross-Site Request Forgery (CSRF) tokens on GET requests, and caller-supplied input is not correctly neutralized before it is placed into an SPL search.

Score

CVSS 3.1 8.3 High

Status

Analyzed - psirt@cisco.com

Published

2026-07-15

Last modified

2026-07-16

Weaknesses

CWE-352

Affected products

• Splunk (Splunk)
• Splunk Cloud Platform (Splunk)
• Splunk Enterprise (Splunk)

References

• https://advisory.splunk.com/advisories/SVD-2026-0702