Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain memory-safety defects in the JavaScript engine integration that could result in memory corruption, controlled process failure, or server instability.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-97557
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026