CVE-2026-85955

Critical

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.

SeverityCritical

CVSS9.9

Exploit probability—

ProductMarkLogic Server

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-269Improper privilege management

How to fix

Update

Progress Software Corporation MarkLogic Server11.3.7, 12.1.0 or later

Vendor advisories

community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026

Affected products

Product	Affected versions	Fixed in
Progress Software Corporation MarkLogic Server	11.0.0 ≤ v < 11.3.7, 12.0.0 ≤ v < 12.1.0	11.3.7, 12.1.0

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