Splunk Enterprise and Cloud Platform

CVE-2026-20259: Improper Access Control in Splunk Enterprise

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 5.5
EPSS0.19%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 10.210.2.4 or later
Splunk Enterprise 10.010.0.7 or later
Splunk Cloud Platform 10.310.3.2512.12 or later
Splunk Cloud Platform 10.210.2.2510.15 or later
Splunk Cloud Platform 10.110.1.2507.23 or later
Splunk Cloud Platform 10.010.0.2503.14 or later
Splunk Cloud Platform 9.39.3.2411.131 or later

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

What it is

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.

Sources

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

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