CVE-2025-12790

A flaw was found in Rubygem MQTT. By default, the package used to not have hostname validation, resulting in possible Man-in-the-Middle (MITM) attack.

Scoring

Severity
HIGH
CVSS base score
7.4
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS probability
0.35%
CWE
CWE-29
Published
2025-11-06
Last modified
2026-03-13

Affected products

Weakness type

Related vulnerabilities

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