Medium · 4.0 CVE-2026-47898 EUVD-2026-41517GHSA-m739-f9cm-66x2

Apache Lucene.Net: XXE vulnerability in Lucene.Net.Analysis.Common PatternParser

Published Jul 3, 2026 · Updated Jul 6, 2026 · Assigned by apache

Description

Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.Common library).

This issue affects Apache Lucene.Net.Analysis.Common: from 4.8.0-beta00005 before 4.8.0-beta00018.

Users are recommended to upgrade to version 4.8.0-beta00018, which fixes the issue.

Vendor	Product	Affected	Fixed
Apache Software Foundation	Apache Lucene.Net	4.8.0-beta00005 – < 4.8.0-beta00018	4.8.0-beta00018