CVE-2026-85972 Progress MarkLogic Server - Authentication Bypass

Progress MarkLogic Server < 12.1.0 and < 11.3.7 contain a broken authentication caused by insufficient verification of Kerberos authentication service identity in certain password-based configurations, letting network-positioned attackers impersonate trusted infrastructure and gain unauthorized access or modify protected data, exploit requires specific password-based authentication configuration.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.25% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Access Control, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-303

Vendor fix

Upgrade to version 12.1.0 or 11.3.7 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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