Is there a public exploit for CVE-2026-107457?

No public exploit for CVE-2026-107457 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-107457?

CVE-2026-107457 scores CVSS 2.3 (v4.0), rated low.

2.3 Low

A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module.

CVE-2026-107457

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.

Assessment

CVSS: 2.3 (v4.0)
Severity: Low
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 2 November 2026
Last updated: 2 November 2026
Affected: Qt · Qt
Assigner: Qt

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Green

At the source

EUVD (ENISA)

References

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