CVE-2026-8709

Critical

Description

An improper privilege management vulnerability in the REST API document patch operation 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 and execute privileged operations against the Security database.

SeverityCritical

CVSS9.9

Exploit probability—

Product

Progress Marklogic Server

PublishedAug 5, 2026

First seenAug 5, 2026

Weakness typeCWE-269Improper privilege management

How to fix

Update

progress marklogic_server11.3.6, 12.0.3 or later

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
progress marklogic_server	v < 11.3.6, 12.0.0 ≤ v < 12.0.3	11.3.6, 12.0.3

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