{"schema_version": "1.6.1", "id": "CVE-2026-47898", "summary": "XXE vulnerability in Lucene.Net.Analysis.Common PatternParser", "details": "Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.Common library).\n\nThis issue affects Apache Lucene.Net.Analysis.Common: from 4.8.0-beta00005 before 4.8.0-beta00018.\n\nUsers are recommended to upgrade to version 4.8.0-beta00018, which fixes the issue.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "4.8.0-beta00005"}, {"fixed": "4.8.0-beta00018"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread/7yn9k6sbbsk18yco5y2hszpcf8dst489"}]}