njh/ruby-mqtt · Security
MQTT does not validate hostnames
- GHSA ID
- GHSA-9c5q-w6gr-fxcq
- CVE ID
- CVE-2025-12790
- Severity
- high
- Published
- Updated
- CVSS
- 7.4 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS v3
- 7.4 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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.
CWEs
- CWE-29 · Path Traversal: '..filename'