Improper Neutralization in Splunk Enterprise

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: Cisco Systems, Inc.

Description

Improper Neutralization. Splunk addressed multiple internally identified vulnerabilities in Splunk Enterprise versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15. The vulnerabilities are grouped by Common Weakness Enumeration (CWE), with one Common Vulnerabilities and Exposures (CVE) identifier assigned to each group. See Details for more information.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-07

Last Modified

2026-10-07

Generated

2026-10-08

AI Q&A

2026-10-08

EPSS Evaluated

N/A

NVD

CVE-2026-76284

Affected Vendors & Products

Vendor	Product	Version / Range
Splunk	Splunk	Enterprise 10.4
Splunk	Splunk	Enterprise 10.2
Splunk	Splunk	Enterprise 10.0
Splunk	Splunk	Enterprise 9.4

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-707	The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper neutralization of input in Splunk Enterprise versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15. It was identified internally and addressed by Splunk. The exact nature of the improper neutralization is not specified in the provided context.

Impact Analysis

The vulnerability could allow attackers to manipulate input data, potentially leading to unauthorized access, data breaches, or other malicious activities depending on the specific weakness. Exact impacts depend on the CWE classification and affected components.

Mitigation Strategies

Update Splunk Enterprise to the latest patched versions (10.4.3, 10.2.7, 10.0.10, or 9.4.15) as these versions address the vulnerabilities. Monitor Splunk's official advisories for further updates.

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