Splunk Enterprise and Cloud Platform

CVE-2024-45738: Sensitive information disclosure in REST_Calls logging channel

In Splunk Enterprise versions below 9.3.1, 9.2.3, and 9.1.6, the software potentially exposes sensitive HTTP parameters to the `_internal` index.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 4.9
EPSS0.48%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
Splunk Enterprise 9.39.3.1 or later
Splunk Enterprise 9.29.2.3 or later
Splunk Enterprise 9.19.1.6 or later

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

In Splunk Enterprise versions below 9.3.1, 9.2.3, and 9.1.6, the software potentially exposes sensitive HTTP parameters to the `_internal` index. This exposure could happen if you configure the Splunk Enterprise `REST_Calls` log channel at the DEBUG logging level.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.

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