CVE-2026-46411

Published June 10th, 2026

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CVSS v3

6.5

MEDIUM

CVSS v2

N/A

Affected

PROJECT

Description

FlashMQ is a MQTT broker/server, designed for multi-CPU environments. Prior to version 1.26.2, authorized clients have the ability to exceed the permitted over-commit of their write buffer and triggering an internal safe-guard exception. This exception was in a path that was not catchable, and therefore causes a server abort. This issue has been patched in version 1.26.2.

halfgaar/FlashMQ

FlashMQ is a fast light-weight MQTT broker/server, designed to take good advantage of multi-CPU environments

GitHub

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