What is CVE-2026-85974?

CVE-2026-85974 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 7.4/10. Published 2026-10-12.

How severe is CVE-2026-85974?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Progress Software Corporation Marklogic Server

CVE-2026-85974

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not consistently validate TLS certificate hostnames for certain outbound connections. A network-positioned attacker could exploit this weakness to intercept or modify communications with an affected service.

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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-297 — Improper Validation of Certificate with Host Mismatch

References

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

Frequently asked questions

What is CVE-2026-85974?: CVE-2026-85974 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 7.4/10. Published 2026-10-12.
How severe is CVE-2026-85974?: High severity. CVSS v3 base score is 7.4 out of 10.