An improper privilege management vulnerability in the SQL, SPARQL, and Optic REST query interfaces of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an authenticated user with a low-privileged REST role to escalate privileges to administrator. This enables execution of privileged operations and unauthorized data access.
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026