What is CVE-2026-85966?

CVE-2026-85966 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Information Disclosure. CVSS score: 7.7/10. Published 2026-10-12.

How severe is CVE-2026-85966?

High severity. CVSS v3 base score is 7.7 out of 10.

Information disclosure in Progress Software Corporation Marklogic Server

CVE-2026-85966

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not sufficiently restrict access to certain security-sensitive information. A remote authenticated attacker with limited management permissions could obtain this information, which could result in unauthorized access to protected resources.

Vulnerability class: Information Disclosure

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

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-200 — Information Disclosure

References

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

Frequently asked questions

What is CVE-2026-85966?: CVE-2026-85966 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Information Disclosure. CVSS score: 7.7/10. Published 2026-10-12.
How severe is CVE-2026-85966?: High severity. CVSS v3 base score is 7.7 out of 10.