4.0
MEDIUM CVSS 4.0
CVE-2026-47898
Apache Lucene.Net: XXE vulnerability in Lucene.Net.Analysis.Common PatternParser
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.

INFO

Published Date :

July 3, 2026, 7:47 a.m.

Last Modified :

July 3, 2026, 7:47 a.m.

Remotely Exploit :

No

Source :

apache
Affected Products

The following products are affected by CVE-2026-47898 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache lucene.net
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM f0158376-9dc2-43b6-827c-5f631a4d8d09
Solution
Upgrade Apache Lucene.Net.Analysis.Common library to version 4.8.0-beta00018 to fix XEE vulnerability.
  • Upgrade Apache Lucene.Net.Analysis.Common to 4.8.0-beta00018.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-47898 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.