CVE-2026-76319

Analyzed Analyzed - Analysis Complete

Remote Code Execution in Splunk Enterprise via Federated Search

Publication date: 2026-08-19

Last updated on: 2026-08-27

Assigner: Cisco Systems, Inc.

Description

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a low-privileged user that does not hold the fsh_manage capability could perform Remote Code Execution through Federated Search bundle selection. This could allow for access to all relevant data and affect system integrity and availability. The vulnerability is possible because the Federated Search dispatch flow accepts caller-controlled bundle selection without enforcing the capability that manages federated providers and indexes. For more information see Security models for Federated Search for Splunk (https://help.splunk.com/en/splunk-enterprise/search/federated-search/10.4/run-federated-searches-across-other-splunk-deployments/service-accounts-and-security-for-federated-search-for-splunk/security-models-for-federated-search-for-splunk) and Define roles on the Splunk platform with capabilities (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities) in the Splunk documentation.

CVSS Scores

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Meta Information

Published

2026-08-19

Last Modified

2026-08-27

Generated

2026-09-09

AI Q&A

2026-08-20

EPSS Evaluated

2026-09-07

NVD

CVE-2026-76319

EUVD

EUVD-2026-63126

Affected Vendors & Products

Vendor	Product	Version / Range
splunk	splunk	From 10.0.0 (inc) to 10.0.9 (exc)
splunk	splunk	From 10.2.0 (inc) to 10.2.6 (exc)
splunk	splunk	From 10.4.0 (inc) to 10.4.2 (exc)
splunk	splunk	From 9.4.0 (inc) to 9.4.14 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability affects Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14. A low-privileged user without the fsh_manage capability can perform Remote Code Execution through Federated Search bundle selection. The issue arises because the Federated Search flow accepts user-controlled bundle selection without enforcing the required capability for managing federated providers and indexes.

Detection Guidance

To detect this vulnerability, check Splunk Enterprise version against patched versions (10.4.2, 10.2.6, 10.0.9, 9.4.14). Verify user roles lack the fsh_manage capability. Inspect Federated Search bundle selections for unauthorized access patterns.

Impact Analysis

This vulnerability could allow an attacker to execute arbitrary code remotely, potentially gaining access to all relevant data. It may also compromise system integrity and availability by allowing unauthorized actions through the exploited Federated Search feature.

Compliance Impact

This vulnerability could allow unauthorized access to sensitive data, potentially violating GDPR's data protection principles and HIPAA's confidentiality requirements. Unauthorized remote code execution may lead to data breaches, impacting compliance with these regulations.

Mitigation Strategies

Upgrade Splunk Enterprise to a patched version (10.4.2, 10.2.6, 10.0.9, or 9.4.14 or later) to address the vulnerability. Ensure low-privileged users do not have the fsh_manage capability unless explicitly required.

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