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CVE-2026-20239

7.5 HIGH

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, ...

Published: 2026-05-20 · Last updated: 2026-05-21

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-532

Affected products

VendorProduct
splunksplunk, splunk_cloud_platform

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.

Source: NVD

References

Related CVEs

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  • CVE-2026-20238 — In Splunk AI Toolkit versions below 5.7.3, a low-privileged user that does not hold the 'admin' or 'power' roles could access confidentia... (6.5 MEDIUM)
  • CVE-2022-27782 — libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reu... (7.5 HIGH)
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  • CVE-2022-27775 — An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the conn... (7.5 HIGH)

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  • CVE-2026-45581 — fabric-chaincode-java is a Java based implementation of Hyperledger Fabric chaincode shim APIs (5.5 MEDIUM)
  • CVE-2026-50205 — System log files output unencrypted SMTP server authentication passwords alongside sensitive employee corporate identification data (8.2 HIGH)