Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 allow a remote attacker with query-execution access to invoke an XQuery evaluation function without the additional required evaluation privilege, which could result in server-side code execution with elevated permissions.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97517
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026