EUVD-2026-82378

Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device telemetry, and inject...

CVE-2026-92943 Improper validation of certificate with host mismatch in AWS IoT Device SDK for Python

Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device telemetry, and inject...

CVE-2026-92943 Improper validation of certificate with host mismatch in AWS IoT Device SDK for Python

Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device telemetry, and inject...

CVE-2026-92943: Improper Validation of Certificate with Host Mismatch

Improper validation of certificate with host mismatch in the MQTT client TLS connection layer in AWS IoT Device SDK for Python 1.5.3 through 1.6.0 on Python 3.7 and later might allow an adversary-in-the-middle actor to impersonate the AWS IoT Core endpoint, read device telemetry, and inject...

PT-2026-95074

Name of the Vulnerable Software and Affected Versions AWS IoT Device SDK for Python versions 1.5.3 through 1.6.0 Description Improper validation of certificates with host mismatch occurs in the MQTT client TLS connection layer, specifically affecting X.509 mutual authentication on port 8883 and...