Read the docs
TI-2026-16431 Aliases CVE-2026-20239GHSA-7mj7-jqh4-hc7f

Sensitive Information Disclosure through Log Files in Splunk Enterprise

Priority LOW 35CWE-532Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-532.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00485 42nd percentileScored 2026-11-07
Fix Fixed Splunk Enterprise (Splunk): 10.2.2, 10.0.5Splunk Cloud Platform (Splunk): 10.3.2512.8, 10.2.2510.11, 10.1.2507.21 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SplunkSplunk Enterprise10.2 to before 10.2.2; 10.0 to before 10.0.510.2.2, 10.0.5Patch availableCNA
SplunkSplunk Cloud Platform10.3.2512 to before 10.3.2512.8; 10.2.2510 to before 10.2.2510.11; 10.1.2507 to before 10.1.2507.21; 10.0.2503 to before 10.0.2503.1310.3.2512.8, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13Patch availableCNA
  • Splunk Enterprise VendorSplunk Affected 10.2 to before 10.2.2; 10.0 to before 10.0.5 Fixed in 10.2.2, 10.0.5 Patch available CNA
  • Splunk Cloud Platform VendorSplunk Affected 10.3.2512 to before 10.3.2512.8; 10.2.2510 to before 10.2.2510.11; 10.1.2507 to before 10.1.2507.21; 10.0.2503 to before 10.0.2503.13 Fixed in 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*10.0.0 to before 10.0.5; 10.2.0 to before 10.2.2VulnerableSplunk
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*10.0.2503 to before 10.0.2503.13; 10.1.2507 to before 10.1.2507.21; 10.2.2510 to before 10.2.2510.11; 10.3.2512 to before 10.3.2512.8VulnerableSplunk
  • cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:* Versions 10.0.0 to before 10.0.5; 10.2.0 to before 10.2.2 Vulnerable ·Splunk
  • cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:* Versions 10.0.2503 to before 10.0.2503.13; 10.1.2507 to before 10.1.2507.21; 10.2.2510 to before 10.2.2510.11; 10.3.2512 to before 10.3.2512.8 Vulnerable ·Splunk

Remediation

  • Fix · CNA Splunk Enterprise (Splunk) Fixed in 10.2.2, 10.0.5
  • Fix · CNA Splunk Cloud Platform (Splunk) Fixed in 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20239
  2. 2026-10-03 Alias added: GHSA-7mj7-jqh4-hc7f

References

Advisory 1

  • TI-2026-16444 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
  • TI-2023-24841 Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing CVSS 3.1HIGH 8.8
  • TI-2023-15979 ‘edit_user’ Capability Privilege Escalation CVSS 3.1HIGH 8.8
  • TI-2024-30707 Remote Code Execution (RCE) due to insecure session storage configuration in Splunk Enterprise on Windows CVSS 3.1HIGH 8.8
  • TI-2022-21345 Reflected Cross-Site Scripting via the radio template in Splunk Enterprise CVSS 3.1HIGH 8.8
See all 297 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences