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CVE WatchNov 2, 2026

CVE-2026-107457

A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module. Under certain MQTT 5 connection settings between client an

CVSS

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EPSS

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KEV

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Exploit Today

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0-100

Published: Nov 2, 2026 · Last modified: Nov 2, 2026 · CWE-129 · CWE-787

EPSS · 30d

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Technical description

A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module. Under certain MQTT 5 connection settings between client and server, QMqttClient may corrupt memory, which can cause the application to crash.

Official references
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