Inclusion of Sensitive Information in Log Files in Splunk Enterprise - CVE-2026-20144
Published: February 19, 2026
Vulnerability identifier: #VU123090
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-20144
CWE-ID: CWE-532
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Splunk Inc.
Affected software:
Splunk Enterprise
Splunk Enterprise
Detailed vulnerability description
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to software stores sensitive information into log files in splunkd. A remote user who holds a role with access to 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.
How to mitigate CVE-2026-20144
Install updates from vendor's website.