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CVE-2025-12790

🗓️ 06 Nov 2025 21:07:34Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 5 Media mentions👁 45 Views

CVE-2025-12790: Rubygem MQTT defaults to no hostname validation, enabling MITM risks.

Related
Affected
Refs
Social
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Rubygem-mqtt Path Traversal Man-in-the-Middle
11 Dec 202500:00
–bdu_fstec
cnnvd
CNNVD
MQTT security vulnerabilities
6 Nov 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-12790 Rubygem-mqtt: rubygem-mqtt hostname validation
6 Nov 202521:07
–cvelist
euvd
EUVD
EUVD-2025-38162
6 Nov 202521:31
–euvd
github
Github Security Blog
MQTT does not validate hostnames
6 Nov 202521:31
–github
mend
Mend
CVE-2025-12790
6 Nov 202521:07
–mend
nvd
NVD
CVE-2025-12790
6 Nov 202521:15
–nvd
osv_ghsa
osv_ghsa
GHSA-9C5Q-W6GR-FXCQ MQTT does not validate hostnames
6 Nov 202521:31
–osv_ghsa
ptsecurity
Positive Technologies
PT-2025-45377
6 Nov 202500:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2025-45694
6 Nov 202500:00
–ptsecurity
Rows per page
[
  {
    "vendor": "Nicholas J Humfrey",
    "product": "ruby-mqtt",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "0.7.0",
        "versionType": "semver"
      }
    ],
    "packageName": "ruby-mqtt",
    "collectionURL": "https://github.com/njh/ruby-mqtt",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Satellite 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rubygem-mqtt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:satellite:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Satellite 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "satellite:el8/rubygem-mqtt",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:satellite:6"
    ]
  }
]

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18 Oct 2026 21:10Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.4
EPSS0.00376
SSVC
45