Cleartext transmission in Progress MarkLogic Server cluster join operations

published 2026-10-12 28 d ago modified 2026-10-15 25 d ago also EUVD-2026-97570

cvss: 7.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Progress MarkLogic Server 12.x releases before 12.1.0 may use cleartext transport for certain cluster-management communications. A network-positioned attacker could intercept or modify information transmitted through an affected connection.

Patch / fix

fixed in 1

Progress Software Corporation MarkLogic Server 12.1.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 26 d ago (2026-10-14)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Progress Software Corporation MarkLogic Server

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information

References

community.progress.com /s/article/Marklogic-Critical-Security-Alert-Bulletin-October-2026
vendor-advisory

Sources

CVE List CVE-2026-85973
NVD CVE-2026-85973

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Summary