{"id":"CVE-2026-85955","published":"2026-10-12T16:17:07.070","lastModified":"2026-10-14T11:17:05.990","description":"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.","cvssScore":9.9,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-269"],"vendors":[],"products":[],"references":[{"url":"https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A remote attacker with query-execution access can bypass XQuery evaluation privileges to execute server-side code with elevated permissions in Progress MarkLogic Server versions before 12.1.0 and 11.3.7.","exploitability":"Exploitation requires a remote attacker with existing query-execution access, making it moderately difficult but possible to achieve full server compromise through privilege escalation.","blast_radius":"If exploited, this vulnerability could allow attackers to execute arbitrary code on the MarkLogic server with elevated privileges, potentially leading to complete system compromise and data exfiltration.","remediation":"Upgrade to MarkLogic Server 12.1.0 or 11.3.7 to remediate this privilege escalation vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","privilege-escalation","database","marklogic"],"model":"garnet-coder","analyzedAt":"2026-10-13T08:46:12.650Z"}}