GHSA-9c5q-w6gr-fxcqHighCVSS 7.4

MQTT does not validate hostnames

Published
November 6, 2025
Last Modified
November 6, 2025

🔗 CVE IDs covered (1)

📋 Description

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.

🎯 Affected products1

  • rubygems/mqtt:< 0.7.0

🔗 References (5)