CVE-2026-35217

CVE-2026-35217 affects NanoMQ (MQTT v5) where a SUBSCRIBE packet can be processed even when the final 1-byte Subscription Options field is missing. A specific packet-length construction reveals two manifestations of a single parsing defect: (1) the broker may accept the malformed subscription and...

CVE-2026-35217

NanoMQ contains a protocol-semantics flaw in its MQTT v5 SUBSCRIBE handling: if a subscription entry is missing the final 1-byte Subscription Options field, the broker may still accept the malformed packet and install the subscription into internal broker state. Under a specific packet-length...

netty: io.netty/netty-codec-mqtt: Netty: Denial of Service due to excessive resource consumption from crafted MQTT 5 header

A flaw was found in Netty, an asynchronous event-driven network application framework. A remote attacker can exploit this vulnerability by sending a crafted MQTT 5 header with an oversized Properties section. This causes Netty to repeatedly parse and buffer the large Properties section in memory...

Shark vacuum flaw exposes cameras, home maps and Wi-Fi passwords

Shark’s cloud-connected robot vacuums are currently exposed by an unpatched AWS Amazon Web Services IoT Internet of Things policy flaw that could turn one compromised device into a remote-control skeleton key for many others in the same region, with access to cameras, maps, and Wi‑Fi passwords. A...

CVE-2026-60065 NGINX Plus ngx_stream_mqtt_filter_module vulnerability

When NGINX Plus is configured to use the Message Queuing Telemetry Transport MQTT filter module ngxstreammqttfiltermodule, unauthenticated attackers can send requests with conditions beyond the attacker's control to cause a heap buffer over-read in the NGINX worker process, leading to a restart...

K000162101: NGINX Plus ngx_stream_mqtt_filter_module vulnerability CVE-2026-60065

Security Advisory Description When NGINX Plus is configured to use the Message Queuing Telemetry Transport MQTT filter module ngxstreammqttfiltermodule, unauthenticated attackers can send requests with conditions beyond the attacker's control to cause a heap buffer over-read in the NGINX worker...

SUSE CVE-2026-58208

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with...

CVE-2026-58208

A flaw was found in NATS Server. An unauthenticated client with access to the WebSocket listener could exploit a vulnerability where requests for the MQTT-over-WebSocket path were incorrectly routed into MQTT handling, even when MQTT was not configured. This allowed the client to access...

NATS Server: MQTT retained and QoS replay bypass subscribe deny filters

...

NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled

...

CVE-2026-15318 Sipeed PicoClaw MQTT Channel mqtt.go authorization

A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Affected by this issue is some unknown functionality of the file pkg/channels/mqtt/mqtt.go of the component MQTT Channel Handler. This manipulation of the argument clientid causes incorrect authorization. The attack is possible to be...

CVE-2026-15318

CVE-2026-15318 affects Sipeed PicoClaw up to version 0.2.9. The vulnerability lies in the MQTT Channel Handler, specifically in the file pkg/channels/mqtt/mqtt.go, where manipulation of the client_id argument leads to incorrect authorization. The issue can be exploited remotely, and public exploi...

CVE-2026-15318 Sipeed PicoClaw MQTT Channel mqtt.go authorization

A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Affected by this issue is some unknown functionality of the file pkg/channels/mqtt/mqtt.go of the component MQTT Channel Handler. This manipulation of the argument clientid causes incorrect authorization. The attack is possible to be...

Incorrect Authorization

Overview github.com/nats-io/nats-server/v2/server is an A simple, secure and performant communications system for digital systems, services and devices. Affected versions of this package are vulnerable to Incorrect Authorization in the subscribe process. An attacker can gain unauthorized access t...

Incorrect Authorization

Overview github.com/nats-io/nats-server/v2/server is an A simple, secure and performant communications system for digital systems, services and devices. Affected versions of this package are vulnerable to Incorrect Authorization in the MQTT retained message delivery and QoS1+ durable replay...

Uncaught Exception

Overview github.com/nats-io/nats-server/server is an A simple, secure and performant communications system for digital systems, services and devices. Affected versions of this package are vulnerable to Uncaught Exception in the WebSocket listener routing, which dispatches requests for the...

CVE-2026-58208

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with...

CVE-2026-58208 NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with...

CVE-2026-58208

CVE-2026-58208 affects NATS Server. A WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with WebSocket access to reach an uninitialized MQTT state and crash the server process. This iss...

EUVD-2026-42391

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a WebSocket listener could route requests for the MQTT-over-WebSocket path into MQTT handling even when MQTT was not configured, allowing an unauthenticated client with...