Path Traversal in Apache Lucene.net
CVE-2026-47897
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Lucene.Net (Lucene.Net.Replicator library). This issue affects Apache Lucene.Net.Replicator: 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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Apache Lucene.net — versions 4.8.0
- Apache Software Foundation Lucene.net — versions 4.8.0-beta00005
Weakness classification (CWE)
References
- lists.apache.org/thread/on1j3zmvgtf8n9fw78z3lyf6dn94p5zc (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-47897?
- CVE-2026-47897 is a high-severity vulnerability in Apache Lucene.net, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-07-03.
- How severe is CVE-2026-47897?
- High severity. CVSS v3 base score is 7.5 out of 10.