{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-33137",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-03-17T20:35:49.929Z",
        "datePublished": "2026-05-20T18:59:17.819Z",
        "dateUpdated": "2026-05-26T18:20:49.991Z"
    },
    "containers": {
        "cna": {
            "title": "XWiki Platform has an Unauthenticated XAR Import via REST /wikis/{wikiName}",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-862",
                            "lang": "en",
                            "description": "CWE-862: Missing Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-qrvh-r3f2-9h4r",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-qrvh-r3f2-9h4r"
                },
                {
                    "name": "https://github.com/xwiki/xwiki-platform/commit/4b7b95b79256374d487e9ece1dc48f527966990f",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/xwiki/xwiki-platform/commit/4b7b95b79256374d487e9ece1dc48f527966990f"
                },
                {
                    "name": "https://jira.xwiki.org/browse/XWIKI-23953",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://jira.xwiki.org/browse/XWIKI-23953"
                }
            ],
            "affected": [
                {
                    "vendor": "xwiki",
                    "product": "xwiki-platform",
                    "versions": [
                        {
                            "version": ">= 15.10.6, < 16.10.17",
                            "status": "affected"
                        },
                        {
                            "version": ">= 17.0.0-rc-1, < 17.4.9",
                            "status": "affected"
                        },
                        {
                            "version": ">= 17.5.0, < 17.10.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 18.0.0-rc-1, < 18.1.0-rc-1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-05-26T18:20:49.991Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki Platform is a generic wiki platform. In versions starting with 15.10.6 and prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17, the POST /wikis/{wikiName} API executes a XAR import without performing any authentication or authorization checks, allowing an unauthenticated attacker to create or update documents in the target wiki. This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, 18.0.1 and 18.1.0-rc-1."
                }
            ],
            "source": {
                "advisory": "GHSA-qrvh-r3f2-9h4r",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-21T13:24:33.961502Z",
                                "id": "CVE-2026-33137",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-21T13:26:33.928Z"
                }
            }
        ]
    }
}