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Vulnerabilities
CVE-2025-12790
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.
Published Nov 7, 2025
https://github.com/advisories/GHSA-9c5q-w6gr-fxcq
CVSS Score
High
7.4
Components Impacted
Components Impacted
Security Details
Security Details
Sonatype Research
Sonatype Research
Ecosystem
Package
Version
Ecosystem
Package
Version
gem
mqtt
0.2.0
gem
mqtt
0.3.0
gem
mqtt
0.3.1
gem
mqtt
0.4.0
gem
mqtt
0.5.0
gem
mqtt
0.6.0
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CVE-2025-12790 | Components Impacted | Sonatype Guide | Sonatype Guide
