CVE-2026-103906

Disabled TLS Certificate Validation Enables MITM Attacks

Published Nov 9, 2026 CVSS 4.0 · 7.8 High EPSS < 1% KEV · Not listed
Description
Use of hard-coded MQTT credentials in the AM CLUB mobile application allows an authenticated attacker to connect to the MQTT broker and access data or perform actions across tenant boundaries.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Am Automatic Machines
Am Automatic Machines am Club
Vendors & Products Am Automatic Machines
Am Automatic Machines am Club
Type Values Removed Values Added
Description Use of hard-coded MQTT credentials in the AM CLUB mobile application allows an authenticated attacker to connect to the MQTT broker and access data or perform actions across tenant boundaries.
Title Disabled TLS Certificate Validation Enables MITM Attacks
Weaknesses CWE-798
References
Metrics cvssV4_0

{'score': 7.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:U'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ENISA
Published
Updated
Nov 9, 2026, 5:34 PM
Reserved
Oct 1, 2026, 2:12 PM
Status
Deferred
Published
Nov 9, 2026, 5:17 PM
Modified
Nov 12, 2026, 8:07 PM