# CVE-2026-85964: Progress MarkLogic Server arbitrary file disclosure via Query Console

Source: https://junglewise.ai/threats/cve-2026-85964-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-85964 · Severity: high · CVSS 7.7 · Published 2026-10-12

Progress MarkLogic Server is a NoSQL database platform used for managing and querying complex data. An authenticated user of the Query Console feature can provide malicious file paths that bypass security checks, allowing them to read arbitrary files from the server and expose sensitive data. This affects MarkLogic 12.x before version 12.1.0 and 11.x before version 11.3.7.

Technologies: [Progress Marklogic Server](https://junglewise.ai/threats/technologies/marklogic-server). Vendors: [Progress](https://junglewise.ai/threats/vendors/progress).

## Quick answers

**Is CVE-2026-85964 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85964 being exploited in the wild.

**How severe is CVE-2026-85964?** High severity, with a CVSS score of 7.7, published 12 October 2026.

**Which products and versions are affected?** Progress Marklogic Server 12.x before 12.1.0; 11.x before 11.3.7.

**Is there a fix for CVE-2026-85964?** Yes: fixed in MarkLogic Server 12.1.0, 11.3.7. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-85964 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-85964?** 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 12.1.0, 11.3.7

## Technical details

An authenticated Query Console user can supply unsafe path values to a privileged filesystem helper function, bypassing path validation and enabling arbitrary file disclosure. The vulnerability requires authentication and access to Query Console, but allows an authenticated attacker to read any file accessible to the MarkLogic server process. A fix is available in MarkLogic 12.1.0 and 11.3.7.

## Affected products

- Progress MarkLogic Server 12.x before 12.1.0; 11.x before 11.3.7

## Timeline

- 2026-10-12: disclosed

## References

- [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)

## Related threats

- [Progress MarkLogic Server HTTP response splitting in Query Console](https://junglewise.ai/threats/cve-2026-85976-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)
- [Progress MarkLogic Server cleartext S3 transport default](https://junglewise.ai/threats/cve-2026-85975-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)
- [Progress MarkLogic Server TLS hostname validation bypass](https://junglewise.ai/threats/cve-2026-85974-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)
- [Progress MarkLogic Server cleartext cluster-management communications](https://junglewise.ai/threats/cve-2026-85973-progress-marklogic-server-12-x-releases-before-12-1-0-may-use)
- [Progress MarkLogic Server Kerberos authentication verification bypass](https://junglewise.ai/threats/cve-2026-85972-progress-marklogic-server-12-x-releases-before-12-1-0-and-11-x)