Package · RubyGems

mqtt

1 known vulnerabilities.

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High 7.4

CVE-2025-12790

Rubygem-mqtt: rubygem-mqtt hostname validation

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.

Red Hat Nicholas J Humfrey Red Hat Satellite 6 ruby-mqtt RubyGems

Nov 6, 2025