Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 assign overly permissive operating-system permissions to certain log files, which could allow a local user to read or alter log data. The corrected default permissions apply to newly created and rotated logs; existing logs retain their current permissions until remediated.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97566
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026