CVE-2026-85955 Progress MarkLogic Server - Server-Side Code Execution

Progress MarkLogic Server 12.x < 12.1.0 and 11.x < 11.3.7 contain a server-side code execution vulnerability caused by missing evaluation privilege checks in XQuery evaluation function, letting remote attackers with query-execution access execute code with elevated permissions.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server-Side Code Execution
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Upgrade to version 12.1.0 for 12.x and 11.3.7 for 11.x or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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