---
title: "CVE-2026-85948: Progress MarkLogic Server - Authentication Bypass"
description: "Progress MarkLogic Server 12.x < 12.1.0 and 11.x < 11.3.7 contain an XQuery injection flaw in a deprecated Management API package path, letting remote attackers with manage-user-level privileges gain persistent unauthorized administrative control."
url: https://panop.io/threat-heartbeat/CVE-2026-85948/
---

# CVE-2026-85948 Progress MarkLogic Server - Authentication Bypass

Progress MarkLogic Server 12.x < 12.1.0 and 11.x < 11.3.7 contain an XQuery injection flaw in a deprecated Management API package path, letting remote attackers with manage-user-level privileges gain persistent unauthorized administrative control.

CVSS base score 9.9 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.35% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-85948)

## Details

Type

Authentication Bypass

Impact

Privilege Escalation

CVSS vector

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

Published

12 October 2026

Updated

15 October 2026

Weakness

[CWE-269](https://cwe.mitre.org/data/definitions/269.html)

## Vendor fix

Upgrade to versions 12.1.0 or later and 11.3.7 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-2026-85948](https://nvd.nist.gov/vuln/detail/CVE-2026-85948)
- [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

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