cbcvebase.
CVE-2026-47898
published 2026-07-03

CVE-2026-47898: Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.Common library). This issue affects Apache…

PriorityP353critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.33%
24.8th percentile
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.

Affected

14 ranges
VendorProductVersion rangeFixed in
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apachelucene.net——
apache_software_foundationapache_lucene.net>= 4.8.0-beta00005 < 4.8.0-beta000184.8.0-beta00018

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.04.0MEDIUMCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.