{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41871", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-04-22T06:35:10.384Z", "datePublished": "2026-09-09T10:45:47.005Z", "dateUpdated": "2026-09-09T11:10:19.289Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-09T10:45:47.005Z"}, "title": "Apache Nutch: Unauthenticated reflection-based job execution in Nutch Server (Nutch REST API)", "problemTypes": [{"descriptions": [{"description": "CWE-862 Missing Authorization", "lang": "en", "cweId": "CWE-862", "type": "CWE"}]}, {"descriptions": [{"description": "CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')", "lang": "en", "cweId": "CWE-470", "type": "CWE"}]}], "source": {"defect": ["NUTCH-3165"], "discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Nutch", "versions": [{"status": "affected", "version": "1.10", "lessThanOrEqual": "1.22", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Missing Authorization, Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability\u00a0in Apache Nutch Server (Nutch REST API).\n\n\n\nThis issue affects Apache Nutch: from 1.10 through 1.22.\n\n\n\nUsers are recommended to upgrade to version 1.23, which removes the Nutch Server.\nIf an upgrade is not possible, user must restrict access to instances running the Nutch Service to trusted users only.\nPlease, also visit the Apache Nutch security advisories https://nutch.apache.org/documentation/security/ .", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Missing Authorization, Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability&nbsp;in Apache Nutch Server (Nutch REST API).</p><p>This issue affects Apache Nutch: from 1.10 through 1.22.</p><p>Users are recommended to upgrade to version 1.23, which removes the Nutch Server.<br>If an upgrade is not possible, user must restrict access to instances running the Nutch Service to trusted users only.<br>Please, also visit the <a target=\"_blank\" rel=\"nofollow\" href=\"https://nutch.apache.org/documentation/security/\">Apache Nutch security advisories</a>.<br></p>"}]}], "references": [{"url": "https://lists.apache.org/thread/rbr63fx8vlrhzrfknq2l0mg0d0blsl54", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "important"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "The Apache Nutch Project Management Committee would like to thank Th1nk for reporting this issue.", "type": "finder"}], "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/09/08/5"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-09-09T11:10:19.289Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache Nutch", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "1.22", "status": "affected", "version": "1.10", "versionType": "custom"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Authorization, Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability\u00a0in Apache Nutch Server (Nutch REST API).\n\n\n\nThis issue affects Apache Nutch: from 1.10 through 1.22.\n\n\n\nUsers are recommended to upgrade to version 1.23, which removes the Nutch Server.\nIf an upgrade is not possible, user must restrict access to instances running the Nutch Service to trusted users only.\nPlease, also visit the Apache Nutch security advisories https://nutch.apache.org/documentation/security/ ."}], "id": "CVE-2026-41871", "lastModified": "2026-09-09T11:17:14.570", "metrics": {}, "published": "2026-09-09T11:17:14.570", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/rbr63fx8vlrhzrfknq2l0mg0d0blsl54"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-470"}, {"lang": "en", "value": "CWE-862"}], "source": "security@apache.org", "type": "Primary"}]}

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