High severity · published Oct 12, 2026
CVE-2026-85954
Improper privilege management in Progress MarkLogic Server higher-order XQuery functions
8.6
CVSS
0.3%
EPSS
No
On KEV
Description
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 can evaluate user-controlled values supplied to certain higher-order XQuery functions in an elevated security context, which could result in privilege escalation beyond the attacker's granted permissions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
MarkLogic Server · Progress Software Corporation
11.0.0 before 11.3.7; 12.0.0 before 12.1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85954
vendor-advisory
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026
More from MarkLogic Server
9.9
CVE-2026-85955
Improper privilege management in Progress MarkLogic Server xdmp:eval-in
9.9
CVE-2026-85948
Improper privilege management in Progress MarkLogic Server Management API
9.9
CVE-2026-85947
Improper privilege management in Progress MarkLogic Server forest operations
9.9
CVE-2026-9193
Privilege escalation in Progress MarkLogic Server Hadoop integration
9.9
CVE-2026-8709
Privilege escalation in Progress MarkLogic Server REST document patch operation