What is CVE-2026-85948?

CVE-2026-85948 is a critical-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2026-10-12.

How severe is CVE-2026-85948?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Privilege escalation in Progress Software Corporation Marklogic Server

CVE-2026-85948

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain an XQuery injection flaw in a deprecated Management API package path. A remote attacker with manage-user-level privileges could exploit this flaw to obtain persistent unauthorized administrative control.

Vulnerability class: Privilege Escalation

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Progress Software Corporation Marklogic Server

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-Oct… (vendor-advisory)

Frequently asked questions

What is CVE-2026-85948?: CVE-2026-85948 is a critical-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Improper Privilege Management. CVSS score: 9.9/10. Published 2026-10-12.
How severe is CVE-2026-85948?: Critical severity. CVSS v3 base score is 9.9 out of 10.