---
title: "CVE-2026-85971: Progress MarkLogic Server - Broken Access Control"
description: "Progress MarkLogic Server 12.x < 12.1.0 and 11.x < 11.3.7 contain a broken access control vulnerability caused by overly permissive operating-system permissions on certain log files, letting local users read or alter log data, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-85971/
---

# CVE-2026-85971 Progress MarkLogic Server - Broken Access Control

Progress MarkLogic Server 12.x < 12.1.0 and 11.x < 11.3.7 contain a broken access control vulnerability caused by overly permissive operating-system permissions on certain log files, letting local users read or alter log data, exploit requires local access.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.10% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-85971)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Published

12 October 2026

Updated

15 October 2026

Weakness

[CWE-732](https://cwe.mitre.org/data/definitions/732.html)

## Vendor fix

Update to version 12.1.0 for 12.x releases and 11.3.7 for 11.x releases or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-85971](https://nvd.nist.gov/vuln/detail/CVE-2026-85971)
- [https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026](https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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