CVE-2026-20239

6.5 mediumEPSS 0.5%

Medium (6.5) in splunk. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-532
Published: 2026-05-20
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

splunk:splunk
splunk:splunk_cloud_platform

References

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

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