Privilege escalation in Progress MarkLogic Server REST document patch operation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-8709
StatePUBLISHED
AssignerProgressSoftware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-05 16:17:09 UTC
Updated2026-08-05 19:17:45 UTC
DescriptionAn improper privilege management vulnerability in the REST API document patch operation of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an authenticated user with a low-privileged REST role to escalate privileges and execute privileged operations against the Security database.

Risk And Classification

Primary CVSS: v3.1 9.9 CRITICAL from [email protected]

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

Problem Types: CWE-269 | CWE-269 CWE-269: Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Progress Software Corporation MarkLogic Server affected 11.0.0 11.3.6 custom Not specified
CNA Progress Software Corporation MarkLogic Server affected 12.0.0 12.0.3 custom Not specified

References

ReferenceSourceLinkTags
community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026 [email protected] community.progress.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: rexnets via Bugcrowd (en)

Additional Advisory Data

Workarounds

CNA: Restrict REST API write privileges to accounts that require them. Review REST API service accounts and remove write access from accounts that do not require it.

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