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VULNERABILITIES

CVE-2026-47898 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://www.openwall.com/lists/oss-security/2026/07/03/3 CVEMailing ListThird Party Advisory
https://lists.apache.org/thread/7yn9k6sbbsk18yco5y2hszpcf8dst489 [email protected]Mailing ListVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-611Improper Restriction of XML External Entity Reference[email protected]

Affected Products

ProductVersions
apache lucene.net
4.8.0 beta00005
4.8.0 beta00006
4.8.0 beta00007
4.8.0 beta00008
4.8.0 beta00009

CPE

  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00005:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00006:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00007:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00008:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00009:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00010:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00011:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00012:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00013:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00014:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00015:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00016:*:*:*:*:*:*
  • cpe:2.3:a:apache:lucene.net:4.8.0:beta00017:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-47898
NVD Published Date:
Jul 3, 2026
NVD Last Modified:
Jul 8, 2026
Source:
[email protected]
CVE-2026-47898 Details - Not Deferred