Vulnerability 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.
CVSS Score
7.4
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2025-12790
- https://bugzilla.redhat.com/show_bug.cgi?id=2413004
- https://github.com/njh/ruby-mqtt/blob/main/NEWS.md#ruby-mqtt-version-070-2025-10
FAQ
What is CVE-2025-12790?
CVE-2025-12790 is a vulnerability with a CVSS score of 7.4 (HIGH). 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.
How severe is CVE-2025-12790?
CVE-2025-12790 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-12790?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.