PT-2026-55505 · Apache · Apache Lucene.Net

Daniel Cervera + 2 · Published 2026-07-03 · Updated 2026-07-03 · CVE-2026-47898

Mitre

CVSS v4.0

4.0

Medium

Base vector

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

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.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2026-47898

Affected Products

Apache Lucene.Net

References · 2

• https://lists.apache.org/thread/7yn9k6sbbsk18yco5y2hszpcf8dst489 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-47898 · Security Note