CVE-2026-47898

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/7yn9k6sbbsk18yco5y2hszpcf8dst489	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/03/3	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	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::::::

History

25 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de Restricción Inadecuada de Referencia a Entidad Externa XML en Apache Lucene.Net (biblioteca Lucene.Net.Analysis.Common). Este problema afecta a Apache Lucene.Net.Analysis.Common: desde 4.8.0-beta00005 antes de 4.8.0-beta00018. Se recomienda a los usuarios actualizar a la versión 4.8.0-beta00018, que corrige el problema.

Information

Published : 2026-07-03 08:16

Updated : 2026-10-25 21:10

NVD link : CVE-2026-47898

Mitre link : CVE-2026-47898

CVE.ORG link : CVE-2026-47898

JSON object : View

Products Affected

apache

lucene.net

CWE

CWE-611

Improper Restriction of XML External Entity Reference

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"modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Lucene.Net", "versions": [{"status": "affected", "version": "4.8.0-beta00005", "lessThan": "4.8.0-beta00018", "versionType": "semver"}], "packageName": "Lucene.Net.Analysis.Common", "collectionURL": "https://www.nuget.org", "defaultStatus": "unaffected"}]}], "published": "2026-07-03T08:16:24.977", "references": [{"url": "https://lists.apache.org/thread/7yn9k6sbbsk18yco5y2hszpcf8dst489", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/07/03/3", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-611"}]}], "descriptions": [{"lang": "en", "value": "Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.Common library).\n\nThis issue affects Apache Lucene.Net.Analysis.Common: from 4.8.0-beta00005 before 4.8.0-beta00018.\n\nUsers are recommended to upgrade to version 4.8.0-beta00018, which fixes the issue."}, {"lang": "es", "value": "Vulnerabilidad de Restricci\u00f3n Inadecuada de Referencia a Entidad Externa XML en Apache Lucene.Net (biblioteca Lucene.Net.Analysis.Common).\n\nEste problema afecta a Apache Lucene.Net.Analysis.Common: desde 4.8.0-beta00005 antes de 4.8.0-beta00018.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 4.8.0-beta00018, que corrige el problema."}], "lastModified": "2026-10-25T21:10:00.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:lucene.net:4.8.0:beta00005:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "79E25A9C-01FC-44B3-9A5E-F5E1D3CFADD7"}, {"criteria": "cpe:2.3:a:apache:lucene.net:4.8.0:beta00006:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7553B675-B9BE-4969-81F4-0757F91478CE"}, {"criteria": "cpe:2.3:a:apache:lucene.net:4.8.0:beta00007:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1405236D-970D-4879-A98C-87693C758494"}, {"criteria": "cpe:2.3:a:apache:lucene.net:4.8.0:beta00008:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07188547-C926-4937-87E9-23546E2EABFB"}, {"criteria": "cpe:2.3:a:apache:lucene.net:4.8.0:beta00009:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74865A6E-42F5-4C8E-9159-63240AE55BAC"}, {"criteria": "cpe:2.3:a:apache:lucene.net:4.8.0:beta00010:*:*:*:*:*:*", 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