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TI-2022-26353 Aliases CVE-2022-50899GHSA-q595-r7rh-mc9h

Geonetwork 4.2.0 - XML External Entity (XXE)

Priority MEDIUM 44CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00551 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
geonetworkGeoNetwork3.10 – 4.2.0—No fix listedCNA
  • GeoNetwork Vendorgeonetwork Affected 3.10 – 4.2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:osgeo:geonetwork:*:*:*:*:*:*:*:*3.10.0 – 4.2.0VulnerableOSGeo
  • cpe:2.3:a:osgeo:geonetwork:*:*:*:*:*:*:*:* Versions 3.10.0 – 4.2.0 Vulnerable ·OSGeo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-50899
  2. 2026-10-03 Alias added: GHSA-q595-r7rh-mc9h

References

Exploit 1

Other 1

  • TI-2026-45097 Unauthenticated file upload via missing authorization on formatter upload endpoint CVSS 3.1HIGH 8.6
  • TI-2026-42016 GeoNetwork vulnerable to Remote Code Execution via unsafe Saxon XSLT processor configuration in formatter CVSS 3.1CRITICAL 9.1
  • TI-2026-40323 GeoNetwork: Unauthenticaded Server-Side Request Forgery in SLD Tool CVSS 4.0HIGH 7.8
  • TI-2026-84467 Access control bypass in GeoNetwork Elasticsearch search proxy CVSS 3.1HIGH 7.5
  • TI-2006-05324 SQL injection vulnerability in GeoNetwork opensource before 2.0.3 allows remote attackers… CVSS 2.0HIGH 7.5
  • TI-2026-84477 Reflected XSS in GeoNetwork through AngularJS template injection CVSS 3.1HIGH 7.1
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences