CVE-2026-20239

MediumCVSS 6.5/10Last modified Jul 23, 2026

Description

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-532

Affected software

Vendor	Product	Versions
Splunk	Splunk Enterprise	>= 10.2, < 10.2.2; >= 10.0, < 10.0.5
Splunk	Splunk Cloud Platform	>= 10.3.2512, < 10.3.2512.8; >= 10.2.2510, < 10.2.2510.11; >= 10.1.2507, < 10.1.2507.21; >= 10.0.2503, < 10.0.2503.13

References

https://advisory.splunk.com/advisories/SVD-2026-0503Vendor Advisory

Timeline

Published: May 20, 2026
Last modified: Jul 23, 2026
NVD status: Analyzed

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