CVE•Published 2026-07-03•Modified 2026-07-08•1 article on news•4 live references•NVD data
CVE-2026-47898Apache · Lucene.net
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
3
Exploit Prediction Scoring System · top 97% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-07-03
Modified 2026-07-08
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-47898Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Apache Lucene.net" version:"4.8.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Lucene.net"HTTP body or banner mentions "Lucene.net" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-47898Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-47898Censys host search filtered to this CVE id.
grep.app
CVE-2026-47898Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-47898GitHub code search for direct mentions.
Google dork
"CVE-2026-47898" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-47898 on GitHub.