CVE-2026-107457 — Vulnerability intelligence

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Published: 2026-11-02T09:17:36.430

CVSS

2.3

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

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.

Sources

• CVE-2026-107457
• Original advisory
• Original advisory