{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23904",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-01-19T03:40:46.158Z",
        "datePublished": "2026-07-29T09:07:18.168Z",
        "dateUpdated": "2026-07-29T14:00:38.959Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "defaultStatus": "unaffected",
                    "packageName": "org.apache.kyuubi:kyuubi-server",
                    "product": "Apache Kyuubi",
                    "vendor": "Apache Software Foundation",
                    "versions": [
                        {
                            "lessThan": "1.12.0",
                            "status": "affected",
                            "version": "1.8.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Ícaro Torres"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p><span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\">Kyuubi Engine UI proxy accepts a host and port from the request path and proxies HTTP requests to that destination.&nbsp;</span></span><span style=\"background-color: rgb(255, 255, 255);\">A remote requester with network access to the proxy can cause the Kyuubi server to send HTTP requests to arbitrary reachable hosts, resulting in SSRF or open-proxy behavior.</span><br></p><p>This issue affects Apache Kyuubi: from 1.8.0 before 1.12.0.</p><p>Users are recommended to upgrade to version 1.12.0, which disables the proxy by default.&nbsp;To restore proxied Engine UI, set kyuubi.frontend.rest.engine.ui.proxy.enabled=true and configure allowed target hosts with kyuubi.frontend.rest.engine.ui.proxy.hosts.</p>"
                        }
                    ],
                    "value": "Kyuubi Engine UI proxy accepts a host and port from the request path and proxies HTTP requests to that destination. A remote requester with network access to the proxy can cause the Kyuubi server to send HTTP requests to arbitrary reachable hosts, resulting in SSRF or open-proxy behavior.\n\n\nThis issue affects Apache Kyuubi: from 1.8.0 before 1.12.0.\n\nUsers are recommended to upgrade to version 1.12.0, which disables the proxy by default. To restore proxied Engine UI, set kyuubi.frontend.rest.engine.ui.proxy.enabled=true and configure allowed target hosts with kyuubi.frontend.rest.engine.ui.proxy.hosts."
                }
            ],
            "metrics": [
                {
                    "other": {
                        "content": {
                            "text": "moderate"
                        },
                        "type": "Textual description of severity"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-923",
                            "description": "CWE-923 Improper Restriction of Communication Channel to Intended Endpoints",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache",
                "dateUpdated": "2026-07-29T09:07:18.168Z"
            },
            "references": [
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/apache/kyuubi/pull/7483"
                },
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.apache.org/thread/ps79fcfx49ox9kwgztc5t5bw0tyhck9m"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Apache Kyuubi: Unrestricted access via Kyuubi engine-ui proxy",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/07/29/3"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2026-07-29T09:58:41.805Z"
                }
            },
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.3,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                            "integrityImpact": "LOW",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "LOW",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "LOW"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-29T14:00:33.613216Z",
                                "id": "CVE-2026-23904",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "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": "2026-07-29T14:00:38.959Z"
                }
            }
        ]
    }
}