Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not sufficiently sanitize input used by the Query Console file-exploration endpoint, which could allow HTTP response splitting and unintended client-side response handling.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97573
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026