---
id: CVE-2026-47898
title: >-
  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…
summary: >-
  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…
severity: none
cwe:
  - CWE-611
published: '2026-07-03'
updated: '2026-07-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-47898'
references:
  - url: 'https://lists.apache.org/thread/7yn9k6sbbsk18yco5y2hszpcf8dst489'
    label: security@apache.org
  - url: 'http://www.openwall.com/lists/oss-security/2026/07/03/3'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
ingestedAt: '2026-07-04T06:55:48.814Z'
epss: 0.00468
epssPercentile: 0.3974
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.