Rubygem-mqtt: rubygem-mqtt hostname validation (Nicholas J Humfrey ruby-mqtt)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.38 % · percentile 32 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Deferred
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.
Weaknesses (CWE)
- CWE-29 — Path Traversal: '\..\filename'
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | redhat |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | NVD · secalert@redhat.com (Secondary) |
Advisories
- GHSA-9c5q-w6gr-fxcq — MQTT does not validate hostnames
European references
- ENISA EUVD · EUVD-2025-38162
- GCVE · GCVE-0-2025-12790
Affected products
| Product | Versions |
|---|---|
| Nicholas J Humfrey · ruby-mqtt | affected 0 < 0.7.0 |
| Red Hat · Red Hat Satellite 6 | |
| Red Hat · Red Hat Satellite 6 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |