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CVE-2025-12790

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CVE-2025-12790

Published: Nov 6, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

7.4

HIGH

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.

VendorProductVersions

Nicholas J Humfrey

ruby-mqtt

affected
0 - < 0.7.0

Red Hat

Red Hat Satellite 6

All versions

Red Hat

Red Hat Satellite 6

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

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