{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-78606",
        "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
        "state": "PUBLISHED",
        "assignerShortName": "elastic",
        "dateReserved": "2026-08-24T21:13:52.890Z",
        "datePublished": "2026-09-01T19:20:37.599Z",
        "dateUpdated": "2026-09-01T19:40:45.659Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Kibana",
                    "vendor": "Elastic",
                    "versions": [
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "8.19.11",
                            "lessThanOrEqual": "8.19.20"
                        },
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "9.3.0",
                            "lessThanOrEqual": "9.4.5"
                        },
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "9.5.0",
                            "lessThanOrEqual": "9.5.1"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.",
                    "supportingMedia": [
                        {
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                            "type": "text/html",
                            "value": "<p>Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.</p>"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
                        "baseScore": 4.2,
                        "baseSeverity": "MEDIUM",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-863",
                            "description": "CWE-863 Incorrect Authorization",
                            "lang": "en",
                            "type": "CWE"
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                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
                "shortName": "elastic",
                "dateUpdated": "2026-09-01T19:20:37.599Z"
            },
            "references": [
                {
                    "url": "https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-142/390093"
                }
            ],
            "source": {
                "discovery": "Elastic"
            },
            "title": "Incorrect Authorization in Kibana Leading to Unauthorized Disclosure, Modification, and Deletion of Data",
            "x_generator": {
                "engine": "Elastic CVE Publisher 1.0.0"
            },
            "impacts": [
                {
                    "capecId": "CAPEC-1",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-01T19:39:56.417764Z",
                                "id": "CVE-2026-78606",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-01T19:40:45.659Z"
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    }
}