What is CVE-2026-85970?

CVE-2026-85970 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2026-10-12.

How severe is CVE-2026-85970?

High severity. CVSS v3 base score is 7.1 out of 10.

XXE in Progress Software Corporation Marklogic Server

CVE-2026-85970

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 enable XML external entity processing by default in multiple server paths, which could allow crafted XML to cause server-side requests or disclosure of local files.

Vulnerability class: XXE (XML External Entity)

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L.

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-611 — Improper Restriction of XML External Entity Reference (XXE)

References

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

Frequently asked questions

What is CVE-2026-85970?: CVE-2026-85970 is a high-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2026-10-12.
How severe is CVE-2026-85970?: High severity. CVSS v3 base score is 7.1 out of 10.