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CVE-2022-50899

Geonetwork 4.2.0 - XML External Entity (XXE)

Published: Jan 13, 2026Updated: Feb 27, 2026 Sources: CVE List NVDCWE-611
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.5%
Top 63.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

Geonetwork 3.10 through 4.2.0 contains an XML external entity vulnerability in PDF rendering that allows attackers to retrieve arbitrary files from the server. Attackers can exploit the insecure XML parser by crafting a malicious XML document with external entity references to read system files through the baseURL parameter in PDF creation requests.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-611

Affected Products

GeoNetworkGeoNetwork
On-prem
Web & CMS Plugins / cms-core
geonetworkosgeo
Mixed
OSS Libraries / generic-library
geonetworkoss-projectWeb & CMS Plugins
osgeooss-projectOSS Librariesaka gdal, geoserver, mapserver

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Collection
Initial Access
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References

https://www.exploit-db.com/exploits/50982
exploit-db.com
https://geonetwork-opensource.org/
geonetwork-opensource.org
https://www.vulncheck.com/advisories/geonetwork-xml-external-entity-xxe
vulncheck.com

Timeline

Published
Jan 13, 2026
Last Updated
Feb 27, 2026

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