High8.9Apache Software Foundation

High [CVE-2026-47897] Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Lucene

This high-severity Apache Software Foundation advisory covers CVE-2026-47897 affecting Apache Lucene.

CVE-2026-47897 Published Jul 3, 2026Updated by vendor Jul 8, 2026

CVE-2026-47897

Affected products & platforms

Apache Software FoundationUnclassified

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Summary

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.

Affected versions

4.8.0-beta00005 through 4.8.0-beta00018.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

4.8.0-beta00018

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 4.8.0-beta00018. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

NVD discovery recordNVD
Independent discovery and scoring cross-reference. Vendor remediation guidance takes precedence. Discovered from the machine-readable feed https://services.nvd.nist.gov/rest/json/cves/2.0; this link opens the NVD record for CVE-2026-47897 instead of the raw feed document.
NIST National Vulnerability Database

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-47897NVD CVE.org MITRE

Official resources

ASF Security — reporting & CVE process
Official documentation
The Apache Software Foundation's official security page: how ASF CVEs are published and where each project's advisories live.
Apache project downloads (fixed releases)
Official documentation
Official ASF download tree — fetch the fixed release named in this advisory from the project's directory.

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