High severity · published Oct 12, 2026
CVE-2026-85957
Improper XML external entity restriction in Progress MarkLogic Server SAML processing
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
Affected Progress MarkLogic Server 11.x releases before 11.3.7 use a SAML parser configuration that can process external DTDs or entities, which could result in unintended network access or information disclosure.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
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 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85957
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85957
vendor-advisory
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026
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