Information disclosure in Splunk
CVE-2026-20144
In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.8, and 9.2.11, and Splunk Cloud Platform versions below 10.2.2510.0, 10.1.2507.11, 10.0.2503.9, and 9.3.2411.120, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the the Splunk _internal index could view the Security Assertion Markup Language (SAML) configurations for Attribute query requests (AQRs) or Authentication extensions in plain text within the conf.log file, depending on which feature is configured.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Splunk
- Splunk Cloud Platform — versions 10.1.2507, 10.0.2503, 9.3.2411
- Splunk Cloud Platform
- Splunk Enterprise — versions 10.0, 9.4, 9.3
Weakness classification (CWE)
References
- advisory.splunk.com/advisories/SVD-2026-0209 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-20144?
- CVE-2026-20144 is a medium-severity vulnerability in Splunk, classified under Insertion of Sensitive Information into Log File. CVSS score: 6.8/10. Published 2026-02-18.
- How severe is CVE-2026-20144?
- Medium severity. CVSS v3 base score is 6.8 out of 10.