HIGHCVSS 7.4

CVE-2025-12790

CVE-2025-12790 updated by NVD

Modified: 2026-10-20
Sources: nvd

Summary

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.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-12790

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.