CVE-2026-92943

AWS IoT Device SDK for Python versions 1.5.3 through 1.6.0 (Python 3.7+) contain an improper certificate validation flaw in the MQTT client TLS connection layer. An adversary-in-the-middle can present a certificate issued for an unrelated hostname by a CA already in the device trust store, thereb...

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...