GeoNetwork PDF XEE 3.10-4.2.0 - arbitrary file read
CVE-2022-50899 Published on January 13, 2026
Geonetwork 4.2.0 - XML External Entity (XXE)
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.
Vulnerability Analysis
CVE-2022-50899 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a XXE Vulnerability?
The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
CVE-2022-50899 has been classified to as a XXE vulnerability or weakness.
Products Associated with CVE-2022-50899
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Affected Versions
GeoNetwork:- Version 3.10, <= 4.2.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.