Information disclosure in Splunk Enterprise - CVE-2026-20298

 

Information disclosure in Splunk Enterprise - CVE-2026-20298

Published: July 21, 2026


Vulnerability identifier: #VU138948
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20298
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Splunk Inc.
Affected software:
Splunk Enterprise

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to exposure of sensitive information in the /servicesNS/-/-/storage/passwords REST endpoint when accessing the endpoint through the |rest Search Processing Language command. A remote user can access the endpoint to disclose sensitive information.

The exposed data includes stored credential hashes in the encr_password field, and the issue affects users that do not hold the admin or power Splunk roles.


How to mitigate CVE-2026-20298

Install security update from vendor's website.

Sources