CVE-2026-47897

HIGHPre-NVD 8.98.9—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.9 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.4%, top 70% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
8.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.9Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
8.9
EG Score
8.9(medium)
EPSS
30.5%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/on1j3zmvgtf8n9fw78z3lyf6dn94p5zc

Vendor Advisories for CVE-2026-47897(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 21× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 04:15 UTCEG score recompute
  2. 2026-07-07 04:15 UTCGHSA enrichment
  3. 2026-07-06 16:47 UTCEG score recompute
  4. 2026-07-06 16:47 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 05:19 UTCEG score recompute
  7. 2026-07-06 05:19 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 17:51 UTCEG score recompute
  10. 2026-07-05 17:50 UTCGHSA enrichment
  11. 2026-07-05 06:21 UTCEG score recompute
  12. 2026-07-05 06:21 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-04 18:52 UTCEG score recompute
  15. 2026-07-04 18:52 UTCGHSA enrichment
  16. 2026-07-04 07:25 UTCEG score recompute
  17. 2026-07-04 07:25 UTCGHSA enrichment
  18. 2026-07-03 19:54 UTCEG score recompute
  19. 2026-07-03 19:54 UTCGHSA enrichment
  20. 2026-07-03 08:27 UTCEG score recompute
  21. 2026-07-03 08:26 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-47897?
CVE-2026-47897 is a high vulnerability published on July 3, 2026. 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…
When was CVE-2026-47897 disclosed?
CVE-2026-47897 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47897 actively exploited?
CVE-2026-47897 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-47897?
CVE-2026-47897 has a CVSS v3 base score of 8.9 (NVD).
How do I remediate CVE-2026-47897?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47897, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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