# CVE-2026-85971: Progress MarkLogic Server log file permission disclosure

Source: https://junglewise.ai/threats/cve-2026-85971-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-2026-85971 · Severity: high · CVSS 7.1 · Published 2026-10-12

Progress MarkLogic Server, a document database used to store and manage business data, has been assigned overly permissive file permissions on log files in versions 11.x before 11.3.7 and 12.x before 12.1.0. A local attacker can read or modify these logs, potentially exposing sensitive information contained in application activity records or tampering with audit trails.

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

## Quick answers

**Is CVE-2026-85971 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-85971 being exploited in the wild.

**How severe is CVE-2026-85971?** 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-2026-85971?** 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-2026-85971 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-85971?** 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

The vulnerability results from overly permissive operating-system file permissions assigned to MarkLogic Server log files. An attacker with local system access can read or modify log data, compromising confidentiality and integrity of audit trails. The corrected default permissions apply only to newly created and rotated logs; existing logs retain their current permissions until manually remediated.

## 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](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)