Findings

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 user with…

Published May 20, 2026 · updated Jul 23, 2026 · splunk splunk

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 index could view session cookies and response bodies that contain sensitive data.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 20, 2026 · NIST NVD

    Detected

    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 index could view session cookies and response bodies that contain sensitive data.

  2. Jul 23, 2026 · NIST NVD

    Updated

    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 index could view session cookies and response bodies that contain sensitive data.

Affected

  • cpe splunk/splunkversion unspecified
  • cpe splunk/splunk cloud platformversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-20239

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-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 user with a role that has access to the index could view session cookies and response bodies that contain sensi

    nvd.nist.gov

References

CVE-2026-20239 · ZeroDay Findings