Unauthenticated file upload via missing authorization on formatter upload endpoint

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63219
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-03 18:17:22 UTC
Updated2026-09-03 18:17:22 UTC
DescriptionGeoNetwork 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.

Risk And Classification

Primary CVSS: v3.1 8.6 HIGH from [email protected]

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

EPSS: 0.004660000 probability, percentile 0.386130000 (date 2026-09-05)

Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.6HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
3.1CNADECLARED8.6HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Geonetwork Core-geonetwork affected >= 4.3.0, < 4.4.12 Not specified
CNA Geonetwork Core-geonetwork affected < 4.2.17 Not specified

References

ReferenceSourceLinkTags
thehackernews.com/2026/09/geonetwork-fixes-unauthenticated-rce.html [email protected] thehackernews.com
docs.geonetwork-opensource.org/4.4/overview/change-log/version-4.4.12 [email protected] docs.geonetwork-opensource.org
github.com/geonetwork/core-geonetwork/pull/9346 [email protected] github.com
github.com/geonetwork/core-geonetwork/security/advisories/GHSA-mh22-prqr... [email protected] github.com
docs.geonetwork-opensource.org/4.2/overview/change-log/version-4.2.17 [email protected] docs.geonetwork-opensource.org
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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