{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-76354",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2026-08-19T12:02:03.628Z",
        "datePublished": "2026-08-19T21:34:47.365Z",
        "dateUpdated": "2026-08-20T16:27:35.131Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Splunk Enterprise",
                    "vendor": "Splunk",
                    "versions": [
                        {
                            "version": "10.4",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.4.2"
                        },
                        {
                            "version": "10.2",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.2.6"
                        },
                        {
                            "version": "10.0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.0.9"
                        },
                        {
                            "version": "9.4",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "9.4.14"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the \"admin\" or \"power\" Splunk roles could affect system integrity and availability by sending a crafted Representational State Transfer (REST) API request that deletes or temporarily overwrites files writable by the user account running Splunk Enterprise processes on a non-captain search head cluster member. The vulnerability is possible because Search Head Clustering bundle replication does not validate the name of a replicated bundle file or neutralize NUL bytes before constructing the member bundle path. For more information see [About search head clustering](https://help.splunk.com/en/splunk-enterprise/administer/distributed-search/10.4/overview-of-search-head-clustering/about-search-head-clustering), [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), and [Secure Splunk Enterprise service accounts](https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/9.0/install-splunk-enterprise-securely/secure-splunk-enterprise-service-accounts) in the Splunk documentation."
                        }
                    ],
                    "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, a user who does not hold the \"admin\" or \"power\" Splunk roles could affect system integrity and availability by sending a crafted Representational State Transfer (REST) API request that deletes or temporarily overwrites files writable by the user account running Splunk Enterprise processes on a non-captain search head cluster member. The vulnerability is possible because Search Head Clustering bundle replication does not validate the name of a replicated bundle file or neutralize NUL bytes before constructing the member bundle path. For more information see About search head clustering (https://help.splunk.com/en/splunk-enterprise/administer/distributed-search/10.4/overview-of-search-head-clustering/about-search-head-clustering), 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), and Secure Splunk Enterprise service accounts (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/9.0/install-splunk-enterprise-securely/secure-splunk-enterprise-service-accounts) in the Splunk documentation."
                }
            ],
            "references": [
                {
                    "url": "https://advisory.splunk.com/advisories/SVD-2026-0801"
                }
            ],
            "title": "Path Traversal through Search Head Clustering in Splunk Enterprise",
            "datePublic": "2026-08-19T00:00:00.000Z",
            "metrics": [
                {
                    "cvssV3_1": {
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
                        "version": "3.1",
                        "baseScore": 8.1,
                        "baseSeverity": "HIGH"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "type": "cwe",
                            "cweId": "CWE-158",
                            "description": "The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes NUL characters or null bytes when they are sent to a downstream component."
                        }
                    ]
                }
            ],
            "source": {
                "advisory": "SVD-2026-0801"
            },
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2026-08-19T21:34:47.365Z"
            },
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher."
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-76354",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-08-20T16:14:43.529537Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-20T16:27:35.131Z"
                }
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        ]
    }
}