What is CVE-2026-85959?

CVE-2026-85959 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under CWE-778. CVSS score: 7.5/10. Published 2026-10-12.

How severe is CVE-2026-85959?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Progress Software Corporation Marklogic Server

CVE-2026-85959

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not consistently record successful authentication events in audit logs, which could limit customers' ability to detect and investigate unauthorized access or credential misuse.

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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-778

References

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

Frequently asked questions

What is CVE-2026-85959?: CVE-2026-85959 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under CWE-778. CVSS score: 7.5/10. Published 2026-10-12.
How severe is CVE-2026-85959?: High severity. CVSS v3 base score is 7.5 out of 10.