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CVE-2026-633417.5/HIGHEPSS 42.0%
2026-10-30

Aedes MQTT Broker Denial of Service (DoS) via Excessive Topic Depth (CVE-2026-63341)

[Affected Scope] All Node.js environments running Aedes MQTT broker versions prior to 1.1.1.

[Impact] An attacker can trigger an uncaught exception by sending messages with excessively deep topic structures, leading to a complete broker crash.

[Mitigation] Immediately update the Aedes package to version 1.1.1 or higher.