Unrated severityOSV Advisory· Published Jan 13, 2026· Updated Apr 7, 2026
Geonetwork 4.2.0 - XML External Entity (XXE)
CVE-2022-50899
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.
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: >=3.10, <=4.2.0
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/50982mitreexploit
- www.vulncheck.com/advisories/geonetwork-xml-external-entity-xxemitrethird-party-advisory
- geonetwork-opensource.orgmitreproduct
News mentions
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