CVE-2025-12790
HIGHRubygem MQTT < 0.7.0 - Man-in-the-Middle via Missing Hostname Validation
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-12790
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2413004
Scores
CVSS v3
7.4
EPSS
0.0031
EPSS Percentile
22.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-29
Status
published
Products (3)
Nicholas J Humfrey/ruby-mqtt
< 0.7.0
Red Hat/Red Hat Satellite 6
rubygems/mqtt
0 - 0.7.0RubyGems
Published
Nov 06, 2025
Tracked Since
Feb 18, 2026