Vulnerability · Published Oct 12, 2026 · Assigned by ProgressSoftware

CVE-2026-85947Improper privilege management in Progress MarkLogic Server forest operations

Critical 9.9

In plain English

A critical-severity privilege mismanagement in MarkLogic Server from Progress Software Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical

Exploit odds (30 days)0.4%top 60.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 (as reported)

Vendor	Product	Versions
Progress Software Corporation	MarkLogic Server	11.0.0 – before 11.3.712.0.0 – before 12.1.0

Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026 vendor-advisory