CVE-2026-85973 Progress MarkLogic Server - Man in the Middle

Progress MarkLogic Server 12.x < 12.1.0 contains a cleartext transport vulnerability in cluster-management communications, letting network-positioned attackers intercept or modify transmitted information, exploit requires network access.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Man in the Middle
Impact
Information Disclosure, 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-319

Vendor fix

Update to version 12.1.0 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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