The vulnerability of the Ruby programming language library Rubygem-mqtt is related to an incorrect limitation on the path name to the directory, allowing a perpetrator to execute a “man-in-the-middle” attack.
🗓️ 11 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 7 Views
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | MQTT 安全漏洞 | 6 Nov 202500:00 | – | cnnvd |
 | CVE-2025-12790 | 6 Nov 202521:07 | – | cve |
 | CVE-2025-12790 Rubygem-mqtt: rubygem-mqtt hostname validation | 6 Nov 202521:07 | – | cvelist |
 | EUVD-2025-38162 | 6 Nov 202521:31 | – | euvd |
 | MQTT does not validate hostnames | 6 Nov 202521:31 | – | github |
 | CVE-2025-12790 | 6 Nov 202521:15 | – | nvd |
 | GHSA-9C5Q-W6GR-FXCQ MQTT does not validate hostnames | 6 Nov 202521:31 | – | osv |
 | PT-2025-45377 | 6 Nov 202500:00 | – | ptsecurity |
 | CVE-2025-12790 | 6 Nov 202521:07 | – | redhatcve |
 | ROS-20251203-19 | 3 Dec 202500:00 | – | redos |
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11 Dec 2025 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 27.1
CVSS 37.4
EPSS0.00351