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Advisory severityHigh8.9Apache 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.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-47897 Source published Source updated

VulniPulse record published Record updated

CVE-2026-47897
Affected products & platforms
Apache Software FoundationUnclassified
Open source advisory

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.

Is CVE-2026-47897 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-47897 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-47897?

Upgrade to a fixed release named by Apache:

  • 4.8.0-beta00018

Confirm against the vendor advisory before you patch.

Affected versions
  • 4.8.0-beta00005 through 4.8.0-beta00018.

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

Fixed versions
  • 4.8.0-beta00018

Official advisory · high-confidence parse· fetched 4 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 interim mitigations or workarounds not captured here. Review it before change work.

Official advisory · high-confidence parse· fetched 4 months ago·verify at source

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