HarborGuard / CVE
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HIGHCVE-2026-20239Published Modified CNA cisco

CVE-2026-20239: Sensitive Information Disclosure through Log Files in Splunk Enterprise

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 v3.1
7.5
Severity
HIGH
Fixed in
10.0.5
Affected Products
2

Fix available

10.0.510.0.2503.1310.1.2507.2110.2.210.2.2510.1110.3.2512.8
Affected packages
  • Splunk / Splunk Enterprise
    < 10.2.2 (from 10.2) · < 10.0.5 (from 10.0)
  • Splunk / Splunk Cloud Platform
    < 10.3.2512.8 (from 10.3.2512) · < 10.2.2510.11 (from 10.2.2510) · < 10.1.2507.21 (from 10.1.2507) · < 10.0.2503.13 (from 10.0.2503)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H