CVE-2026-63219

HIGHPre-NVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.6 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
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.6Exploit: None knownExposed: 0

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

GeoNetwork is a catalog application to manage spatially referenced resources. Prior to versions 4.4.12 and 4.2.17, the API endpoint for creating a new formatter via file upload is unprotected and allows the upload of external uncontrolled files. An unauthenticated attacker can upload arbitrary .xsl or .zip formatter files to the server. An unauthenticated attacker can write arbitrary files into the GeoNetwork formatter directory. On its own this constitutes unauthorized write access to server storage. The issue is patched in GeoNetwork versions 4.4.12 and 4.2.17.

CVSS v3
8.6
EG Score
8.6(medium)
EG Risk
54(Track)
EG Risk 54/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity86% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 9, 2026

Advisory Details (5)

Auto-updated Sep 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: github_pr, github.
generic🔴 Active Exploitation

GeoNetwork Fixes Unauthenticated RCE Chain Affecting Government Geoportal Backends

https://thehackernews.com/2026/09/geonetwork-fixes-unauthenticated-rce.html
generic

Version 4.4.12 - GeoNetwork opensource

https://docs.geonetwork-opensource.org/4.4/overview/change-log/version-4.4.12
generic

Version 4.2.17 - GeoNetwork opensource (EN)

https://docs.geonetwork-opensource.org/4.2/overview/change-log/version-4.2.17
github_pr Patch Available

Ensure consistent access control to formatter admin API

Patch available: geonetwork/core-geonetwork 4.4.12 (PR #9346 merged 2026-06-17)

https://github.com/geonetwork/core-geonetwork/pull/9346
github Patch Available

Unauthenticated file upload via missing authorization on formatter upload endpoint · Advisory · geonetwork/core-geonetwork · GitHub

https://github.com/geonetwork/core-geonetwork/security/advisories/GHSA-mh22-prqr-vf42

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 36× 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. 2026-09-25 00:25 UTCEG score recompute
  2. 2026-09-23 22:34 UTCEG score recompute
  3. 2026-09-23 17:54 UTCEPSS rescore
  4. 2026-09-22 20:43 UTCEG score recompute
  5. 2026-09-22 07:48 UTCEG score recompute
  6. 2026-09-21 05:57 UTCEG score recompute
  7. 2026-09-20 20:16 UTCEPSS rescore
  8. 2026-09-20 04:06 UTCEG score recompute
  9. 2026-09-19 02:16 UTCEG score recompute
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 00:24 UTCEG score recompute
  12. 2026-09-16 22:32 UTCEG score recompute
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 09:10 UTCEG score recompute
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 07:19 UTCEG score recompute
  17. 2026-09-14 04:33 UTCEG score recompute
  18. 2026-09-13 02:43 UTCEG score recompute
  19. 2026-09-12 00:52 UTCEG score recompute
  20. 2026-09-11 14:53 UTCEPSS rescore
  21. 2026-09-11 11:56 UTCEG score recompute
  22. 2026-09-11 09:37 UTCEPSS rescore
  23. 2026-09-10 10:06 UTCEG score recompute
  24. 2026-09-08 23:06 UTCEG score recompute
  25. 2026-09-08 22:01 UTCEPSS rescore
Show 11 more
  1. 2026-09-08 03:45 UTCEG score recompute
  2. 2026-09-07 16:01 UTCEPSS rescore
  3. 2026-09-07 00:17 UTCEG score recompute
  4. 2026-09-06 13:47 UTCEPSS rescore
  5. 2026-09-05 22:22 UTCEG score recompute
  6. 2026-09-05 15:31 UTCEPSS rescore
  7. 2026-09-04 20:30 UTCEG score recompute
  8. 2026-09-03 18:40 UTCEG score recompute
  9. 2026-09-03 17:45 UTCEG score recompute
  10. 2026-09-03 17:25 UTCEG score recompute
  11. 2026-09-03 17:23 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-63219?
CVE-2026-63219 is a high vulnerability published on September 3, 2026. GeoNetwork is a catalog application to manage spatially referenced resources. Prior to versions 4.4.12 and 4.2.17, the API endpoint for creating a new formatter via file upload is unprotected and allows the upload of external uncontrolled files. An unauthenticated attacker can upload arbitrary .xsl…
When was CVE-2026-63219 disclosed?
CVE-2026-63219 was first published in the National Vulnerability Database on September 3, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63219 actively exploited?
CVE-2026-63219 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 62.4% of all scored CVEs.
What is the CVSS score of CVE-2026-63219?
CVE-2026-63219 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-63219?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63219, 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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