CVE-2026-46411 FlashMQ: Client can trigger uncaught exception on FlashMQ 1.26.1 and older

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...

CVE-2026-46411

FlashMQ is the MQTT broker/server affected by CVE-2026-46411. The issue affects versions prior to 1.26.2, where an authorized client can exceed the permitted over-commit of their write buffer, triggering an internal safe-guard exception in a path that is not catchable and causing the server to ab...