CVE-2026-71961

Cudy WR3000 firmware before 2.5.24 is vulnerable: the sync_command binary passes unsanitized MQTT input to a shell sink in command.lua, allowing authenticated attackers with broker access to execute arbitrary root-level commands. CVSS 8.8 HIGH; update to firmware 2.5.24. No in-the-wild exploitati...

EUVD-2026-62417

Cudy WR3000 2.0 running firmware before 2.5.24 contains a hard-coded JWT HMAC signing secret vulnerability in the Mosquitto MQTT broker's authentication plugin that allows unauthenticated attackers to forge valid JWT tokens by extracting the secret from the firmware image. Attackers can use the...

CVE-2026-73669

The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker service that listens on all network interfaces without authentication. An unauthenticated attacker with network access to the MQTT service on a vulnerable system can read data and control connected lights. Fixed in...

CVE-2026-73669 Signify Philips Hue Bridge Pro MQTT broker missing authentication

The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker service that listens on all network interfaces without authentication. An unauthenticated attacker with network access to the MQTT service on a vulnerable system can read data and control connected lights. Fixed in...

Philips Hue Bridge Pro

RISK EVALUATION The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker v2.0.22 that listens on all network interfaces with anonymous access enabled and no firewall restriction. An attacker with access to the Bridge's network can read device data and control connected lights...

CVE-2026-44090

Due to missing authentication, an unauthenticated remote attacker may access the MQTT broker, which is only protected from external access by a firewall. This may lead to the device being fully compromised...

CVE-2026-44090

Due to missing authentication, an unauthenticated remote attacker may access the MQTT broker, which is only protected from external access by a firewall. This may lead to the device being fully compromised...

CVE-2026-47275

Nanomq has a NULL pointer dereference in nni_mqttv5_msg_decode_connect() (mqtt_codec.c:1863) for versions ≤ 0.24.11. The code iterates CONNECT properties using prop instead of will_prop; when a packet has no connect-level properties but has will properties, dereferencing prop->next can SIGSEGV...

PT-2026-48296

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-2026-7415

The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization...

CVE-2026-49186

The local MQTT broker does not enforce topic-level Access Control Lists ACLs. This allows any client to subscribe using wildcard characters or + to enumerate hidden network devices or publish rogue control commands...

Acer M6E 安全漏洞

The Acer M6E is a portable 5G mobile hotspot device from Acer, a company based in Taiwan, China. The Acer M6E has a security vulnerability. This vulnerability stems from the lack of mandatory implementation of topic-level access control lists by the local MQTT Broker. As a result, any client that...

CVE-2026-49198 Predator Connect W6x: MQTT Broker Access Control

Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to unauthorized actors...

CVE-2026-33356

In Meari IoT Cloud MQTT Broker deployments running EMQX 4.x, any authenticated low-privilege account can subscribe to global wildcard topics and receive telemetry from devices the user does not own. The broker enforces publish restrictions but does not enforce equivalent subscribe authorization a...

CVE-2026-7415 Open MQTT orchestration without read/write ACLs in Yarbo robot firmware

The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization...

CVE-2026-7415

The CVE-2026-7415 vulnerability affects the MQTT broker embedded in Yarbo firmware v2.3.9. The broker is configured to allow anonymous connections with no topic-level read/write ACLs, enabling any host on the same network to subscribe to sensitive telemetry topics or publish control messages dire...

CVE-2026-7415 Open MQTT orchestration without read/write ACLs in Yarbo robot firmware

The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization...

RHEL 10 : yggdrasil (RHSA-2026:11375)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:11375 advisory. yggdrasil is a system daemon that subscribes to topics on an MQTT broker and routes any data received on the topics to an appropriate child worker...

CVE-2026-21888

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. MQTT v5 Variable Byte Integer parsing out-of-bounds: getvarinteger accepts 5-byte varints without bounds checks; reliably triggers OOB read / crash when built with ASan. This affects 0.24.6 and earlier...

CVE-2021-33176

VerneMQ MQTT Broker versions prior to 1.12.0 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by...