CVE-2026-20239: In Splunk Enterprise versions below 10.2.2 and 10.0.5, and Splunk Cloud Platform versions below 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, and 10.0.2503.13, a…

PriorityP339medium6.5CVSS 3.1

AVNACLPRLUINSUCHINAN

EPSS

0.48%

38.1th percentile

In Splunk Enterprise versions below 10.2.2 and 10.0.5, and Splunk Cloud Platform versions below 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, and 10.0.2503.13, a user with a role that has access to the `_internal` index could view session cookies and response bodies that contain sensitive data.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
splunk	splunk	>= 10.0.0 < 10.0.5	10.0.5
splunk	splunk	>= 10.2.0 < 10.2.2	10.2.2
splunk	splunk_cloud_platform	>= 10.0.2503 < 10.0.2503.13	10.0.2503.13
splunk	splunk_cloud_platform	>= 10.1.2507 < 10.1.2507.21	10.1.2507.21
splunk	splunk_cloud_platform	>= 10.2.2510 < 10.2.2510.11	10.2.2510.11
splunk	splunk_cloud_platform	>= 10.3.2512 < 10.3.2512.8	10.3.2512.8
splunk	splunk_enterprise	>= 10.0 < 10.0.5	10.0.5
splunk	splunk_enterprise	>= 10.2 < 10.2.2	10.2.2

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