CVE-2026-47898 MEDIUM

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

Vendor Apache Software Foundation
Product Apache Lucene.Net
Weakness CWE-611 · XXE
Published July 3, 2026
Last update July 3, 2026
View on NVD All CVEs

CVSS base score

4.0/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 3, 2026 CVE published
July 3, 2026 Record updated