OpenKM Community Edition in its 6.3.10 version and before was using XMLReader parser in XMLTextExtractor.java file without the required security flags, allowing an attacker to perform a XML external entity injection attack.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)