PatchTheCVElucene.net vulnerabilities and fixes
Recent CVEs affecting lucene.net, with upgrade or downgrade steps. 3 tracked.
Also searched as: lucene net, lucenenet.
lucene.net has 3 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-03. Highest priority: CVE-2026-47898 (score 54/100).
- CVE-2026-47898 CRITICAL 9.8 DOWNGRADE Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.
- CVE-2026-47897 HIGH 7.5 DOWNGRADE Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Lucene.
- CVE-2026-47896 HIGH 7.5 DOWNGRADE Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Lucene.
FAQ
How do I fix lucene.net vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is lucene.net being exploited right now?
None of the tracked lucene.net CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which lucene.net CVE should I patch first?
CVE-2026-47898 currently ranks highest (54/100): Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis..