CVE-2026-47897 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Lucene.Net	4.8.0

Related Weaknesses (CWE)

CWE-22

References

https://lists.apache.org/thread/on1j3zmvgtf8n9fw78z3lyf6dn94p5zcMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/03/2Mailing ListThird Party Advisory

FAQ

What is CVE-2026-47897?

CVE-2026-47897 is a vulnerability with a CVSS score of 7.5 (HIGH). 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: fro...

How severe is CVE-2026-47897?

CVE-2026-47897 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-47897?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Lucene.Net.