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High severity7.5NVD Advisory· Published May 20, 2026· Updated May 21, 2026

CVE-2026-20239

CVE-2026-20239

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Splunk/Splunk Cloud Platform2 versions
    cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*range: >=10.0.2503,<10.0.2503.13
    • (no CPE)range: <10.3.2512.8, <10.2.2510.11, <10.1.2507.21, <10.0.2503.13
  • Splunk/Splunk
    cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
    Range: >=10.0.0,<10.0.5
  • Splunk/Splunk Enterprisellm-fuzzy
    Range: <10.2.2 and <10.0.5

Patches

Vulnerability mechanics

References

1

News mentions

1