CVE-2026-76301: Splunk Enterprise protection mechanism failure

CVE-2026-76301 · Severity: info · Published 2026-10-21

Splunk Enterprise, a data analytics and monitoring platform used by organizations to search and analyze logs, contains a flaw in its protection mechanisms. This vulnerability was identified during Cisco's internal security review and grouped with other internally discovered issues in a hardening release. The vulnerability has been assigned informational severity with no known active exploitation.

Technologies: Splunk Enterprise. Vendors: Splunk.

Quick answers

Is CVE-2026-76301 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-76301 being exploited in the wild.
How severe is CVE-2026-76301?
Informational severity, published 21 October 2026.
Which products and versions are affected?
Splunk Enterprise 10.4.0-10.4.3, 10.2.0-10.2.7, 10.0.0-10.0.10, 9.4.0-9.4.15.
Is there a fix for CVE-2026-76301?
Yes: fixed in Splunk Enterprise 10.4.4, 10.2.8, 10.0.11, 9.4.16. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-76301 attacked?
It is in a hosted service.
Am I affected by CVE-2026-76301?
Check whether you run Splunk Enterprise at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Splunk Enterprise 10.4.4, 10.2.8, 10.0.11, 9.4.16

Technical details

CVE-2026-76301 is a protection mechanism failure (CWE-693) identified in Splunk Enterprise and grouped with other vulnerabilities discovered during internal security review. The advisory does not specify the attack vector, preconditions, or specific impact beyond the weakness classification. Fixes are available in Splunk Enterprise versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16.

Affected products

  • Splunk Splunk Enterprise 10.4.0-10.4.3, 10.2.0-10.2.7, 10.0.0-10.0.10, 9.4.0-9.4.15

Timeline

  • 2026-10-21: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.