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CVE-2026-47896 is a path traversal vulnerability in the Apache Lucene.Net Lucene.Net.Replicator library. The flaw is described as improper limitation of a pathname to a restricted directory and affects Lucene.Net.Replicator versions 4.8.0-beta00005 through 4.8.0-beta00017. Based on the provided context, successful exploitation can allow an unauthenticated remote attacker to traverse outside the intended directory boundaries on the replication server and read arbitrary files accessible to the server process.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity path traversal vulnerability in Apache Lucene.Net.Replicator that allows unauthenticated arbitrary file read on the replication server.
A path traversal vulnerability in Apache Lucene.Net.Replicator affecting versions 4.8.0-beta00005 through 4.8.0-beta00017.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.