CVE-2026-47896

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: 0.5%, top 62% 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 through 4.8.0-beta00017.

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
37.9%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-47896: Apache Lucene.Net: Unauthenticated arbitrary file read on the Lucene.Net.Replicator replication server

http://www.openwall.com/lists/oss-security/2026/07/03/1
generic
https://lists.apache.org/thread/7y9gbt17p55fh1zltks4pnh719wq9sqt

Vendor Advisories for CVE-2026-47896(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 22× in last 7d / 22× 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 07:00 UTCEG score recompute
  2. 2026-07-07 07:00 UTCGHSA enrichment
  3. 2026-07-06 19:25 UTCEG score recompute
  4. 2026-07-06 19:25 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 07:45 UTCEG score recompute
  7. 2026-07-06 07:45 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 20:08 UTCEG score recompute
  10. 2026-07-05 20:08 UTCGHSA enrichment
  11. 2026-07-05 08:36 UTCEG score recompute
  12. 2026-07-05 08:36 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-04 21:04 UTCEG score recompute
  15. 2026-07-04 21:04 UTCGHSA enrichment
  16. 2026-07-04 09:32 UTCEG score recompute
  17. 2026-07-04 09:32 UTCGHSA enrichment
  18. 2026-07-03 21:59 UTCEG score recompute
  19. 2026-07-03 21:59 UTCGHSA enrichment
  20. 2026-07-03 10:27 UTCEG score recompute
  21. 2026-07-03 10:26 UTCNVD updateCVSS v3 → 8.9 · CVSS v4 → 8.9
  22. 2026-07-03 10:26 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-47896?
CVE-2026-47896 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 through 4.8.0-beta00017. Users are recommended to upgrade to version…
When was CVE-2026-47896 disclosed?
CVE-2026-47896 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-2026-47896 actively exploited?
CVE-2026-47896 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-47896?
CVE-2026-47896 has a CVSS v3 base score of 8.9 (NVD).
How do I remediate CVE-2026-47896?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47896, 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

Explore the affected products and dependency analysis for CVE-2026-47896

Explore →

Is Your Infrastructure Affected by CVE-2026-47896?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs