High severity · published Oct 12, 2026
CVE-2026-85959
Insufficient authentication logging in Progress MarkLogic Server
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 do not consistently record successful authentication events in audit logs, which could limit customers' ability to detect and investigate unauthorized access or credential misuse.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% 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-2026-85959
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85959
vendor-advisory
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026
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