What is CVE-2026-20144?

CVE-2026-20144 is a medium-severity vulnerability in Splunk Cloud Platform, 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.

Information disclosure in Splunk Cloud Platform

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 ho…

EPSS: 0.001 (23.9th percentile) — read the EPSS interpretation.

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.

Affected products

Splunk Cloud Platform — versions 10.1.2507, 10.0.2503, 9.3.2411
Splunk Enterprise — versions 10.0, 9.4, 9.3

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

advisory.splunk.com/advisories/SVD-2026-0209

Frequently asked questions

What is CVE-2026-20144?: CVE-2026-20144 is a medium-severity vulnerability in Splunk Cloud Platform, 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.