Is CVE-2026-85969 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-85969 being exploited in the wild.

How severe is CVE-2026-85969?

High severity, with a CVSS score of 7.1, published 12 October 2026.

Which products and versions are affected?

Progress Marklogic Server 11.x before 11.3.7, 12.x before 12.1.0.

Is there a fix for CVE-2026-85969?

Yes: fixed in MarkLogic Server 11.3.7, 12.1.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-85969 attacked?

It is attacked over the network, in a hosted service.

Am I affected by CVE-2026-85969?

Check whether you run Progress Marklogic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-85969: Progress MarkLogic Server out-of-bounds write in language processing

CVE-2026-85969 · Severity: high · CVSS 7.1 · Published 2026-10-12

Progress MarkLogic Server is a database platform used to store and query large volumes of structured and unstructured data. An out-of-bounds write vulnerability in the server's language-processing functionality allows authenticated remote attackers to cause server crashes or corrupt data. Exploitation requires valid credentials but could lead to service disruption or data integrity issues.

Technologies: Progress Marklogic Server. Vendors: Progress.

Quick answers

Is CVE-2026-85969 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-85969 being exploited in the wild.
How severe is CVE-2026-85969?: High severity, with a CVSS score of 7.1, published 12 October 2026.
Which products and versions are affected?: Progress Marklogic Server 11.x before 11.3.7, 12.x before 12.1.0.
Is there a fix for CVE-2026-85969?: Yes: fixed in MarkLogic Server 11.3.7, 12.1.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-85969 attacked?: It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-85969?: Check whether you run Progress Marklogic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: MarkLogic Server 11.3.7, 12.1.0

Technical details

An out-of-bounds write exists in MarkLogic Server's language-processing components, affecting versions 12.x before 12.1.0 and 11.x before 11.3.7. The vulnerability requires authentication to exploit and allows remote attackers to crash the server or modify data in limited ways. The attack vector is network-based and requires valid server credentials.

Affected products

Progress MarkLogic Server 11.x before 11.3.7, 12.x before 12.1.0

Timeline

2026-10-12: disclosed

References

https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026

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