Information disclosure in Splunk
CVE-2026-20298
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, 10.4.2604.6, 10.3.2512.15, 10.2.2510.18, and 10.1.2507.24, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could view stored credential hashes when they access the `/servicesNS/-/-/storage/passwords` REST endpoint through the `|rest` Search Processing Language (SPL) command.<br><br>The exposure happens because the `|rest` SPL command returns the `encr_password` field in the results of the `/servicesNS/-/-/storage/passwords` REST endpoint.
Vulnerability class: Information Disclosure
EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Splunk — versions 10.4.0
- Splunk Cloud Platform — versions 10.5.2605, 10.4.2604, 10.3.2512
- Splunk Splunk_cloud_platform
- Splunk Enterprise — versions 10.4, 10.2, 10.0
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-20298?
- CVE-2026-20298 is a medium-severity vulnerability in Splunk, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-07-15.
- How severe is CVE-2026-20298?
- Medium severity. CVSS v3 base score is 5.3 out of 10.