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CVE-2026-76288 Details

Description

In Splunk Enterprise versions below 10.4.4, 10.2.8, 10.0.11, and 9.4.16, an unauthenticated user could send a single crafted request to the Splunk Web JavaScript logger endpoint and cause Splunk Web to stop responding to requests. Splunk Web remains unavailable until Splunk Enterprise is restarted. The vulnerability is possible because Splunk Web does not limit request-header parsing before processing the request.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://advisory.splunk.com/advisories/SVD-2026-1007	[email protected]	Vendor AdvisoryMitigation

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-400	Uncontrolled Resource Consumption	[email protected]

Affected Products

Product	Versions
splunk splunk	>= 9.4.0, < 9.4.16 >= 10.0.0, < 10.0.11 >= 10.2.0, < 10.2.8 >= 10.4.0, < 10.4.4
CPE cpe:2.3:a:splunk:splunk:::::enterprise:::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 30, 2026	Initial Analysis	[email protected]
Oct 22, 2026	CVE Modified	CISA-ADP
Oct 21, 2026	New CVE Received	[email protected]