CVE-2026-47898
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk25th percentile - higher than 25% of all known CVEs
Summary
An improper restriction of XML external entity reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.Common library) allows XXE attacks. Affects versions from 4.8.0-beta00005 up to 4.8.0-beta00017.
Risk Assessment
An attacker could exploit this to read local files, perform SSRF attacks, or cause denial of service, compromising confidentiality and availability.
Recommendation
Upgrade Apache Lucene.Net.Analysis.Common to version 4.8.0-beta00018 or later immediately.
Original NVD description (English source)
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.

