CVE-2026-47898: CWE-611 Improper Restriction of XML External Entity Reference in Apache Software Foundation Apache Lucene.Net
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.
AI Analysis
Technical Summary
This vulnerability (CWE-611) in Apache Lucene.Net.Analysis.Common allows improper restriction of XML External Entity references, potentially enabling an attacker to interfere with XML processing. The affected versions are from 4.8.0-beta00005 before 4.8.0-beta00018. The vendor recommends upgrading to 4.8.0-beta00018 to fix the issue. The CVSS 4.0 base score is 4.0, indicating a medium severity with local attack vector, high attack complexity, and no user interaction required.
Potential Impact
The vulnerability could allow an attacker with local access and high privileges to exploit XML external entity processing flaws, potentially leading to limited information disclosure or other impacts related to XML parsing. The CVSS score of 4.0 reflects a medium severity with limited scope and impact.
Mitigation Recommendations
Users should upgrade Apache Lucene.Net.Analysis.Common to version 4.8.0-beta00018 or later, as this version fixes the vulnerability. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-47898: CWE-611 Improper Restriction of XML External Entity Reference in Apache Software Foundation Apache Lucene.Net
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.
CVSS v4.0
Score 4.0medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-611) in Apache Lucene.Net.Analysis.Common allows improper restriction of XML External Entity references, potentially enabling an attacker to interfere with XML processing. The affected versions are from 4.8.0-beta00005 before 4.8.0-beta00018. The vendor recommends upgrading to 4.8.0-beta00018 to fix the issue. The CVSS 4.0 base score is 4.0, indicating a medium severity with local attack vector, high attack complexity, and no user interaction required.
Potential Impact
The vulnerability could allow an attacker with local access and high privileges to exploit XML external entity processing flaws, potentially leading to limited information disclosure or other impacts related to XML parsing. The CVSS score of 4.0 reflects a medium severity with limited scope and impact.
Mitigation Recommendations
Users should upgrade Apache Lucene.Net.Analysis.Common to version 4.8.0-beta00018 or later, as this version fixes the vulnerability. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-20T14:30:51.549Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a476a1627e9c79719455be8
Added to database: 07/03/2026, 07:51:50 UTC
Last enriched: 07/10/2026, 08:44:37 UTC
Last updated: 08/13/2026, 14:23:34 UTC
Views: 109
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