CVE-2026-85954

High

Description

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 can evaluate user-controlled values supplied to certain higher-order XQuery functions in an elevated security context, which could result in privilege escalation beyond the attacker's granted permissions.

SeverityHigh

CVSS8.6

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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