CVE-2026-85947: Progress Software Corporation Marklogic Server

Critical severity, CVSS 9.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain an authorization flaw in certain forest-management operations. A remote attacker with forest-management privileges could exploit this flaw to create a persistent unauthorized administrator account, potentially resulting in complete unauthorized administrative control of the server.

Affected products

• Progress Software Corporation Marklogic Server: from 11.0.0, before 11.3.7 (fixed in 11.3.7); from 12.0.0, before 12.1.0 (fixed in 12.1.0)

Published 2026-10-12. Last modified 2026-10-14.