---
id: CVE-2026-85974
title: >-
  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
summary: >-
  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 i…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-297
vendor: Progress Software Corporation
product: MarkLogic Server
affected:
  - marklogic_server >= 11.0.0 < 11.3.7
  - marklogic_server >= 12.0.0 < 12.1.0
published: '2026-10-12'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T16:08:54.067'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85974'
references:
  - url: >-
      https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026
    label: security@progress.com
tags:
  - nvd
  - cve.org
epss: 0.00138
epssPercentile: 0.03186
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-14T03:59:25.989006Z'
ingestedAt: '2026-10-12T18:00:08.224Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.