CVE-2022-50899

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 v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.49% chance of exploitation in the next 30 days, 40th percentile

Published

2026-01-13

Updated

2026-05-14

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50982

References

• CVE Record
• NVD entry

Related

• CVE-2022-50898
• CVE-2022-50900
• CVE-2022-50897
• CVE-2022-50901
• CVE-2022-50896
• CVE-2022-50902