CVE-2026-59878 Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS

Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All. A remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done...

CVE-2026-59878

An Improper Input Validation vulnerability exists in Apache ActiveMQ AMQP , Apache ActiveMQ , and Apache ActiveMQ All . A remote unauthenticated peer can trigger a denial-of-service (DoS) by sending a specific frame size value to an exposed AMQP NIO connector . This causes NIO threads to crash, p...

rabbitmq-server: RabbitMQ: Authorization bypass via regular expression injection in MQTT client ID

A flaw was found in RabbitMQ. An authenticated MQTT Message Queuing Telemetry Transport user can bypass topic-level authorization by injecting regular expression operators. This occurs because the client ID, provided by the user in the MQTT CONNECT packet, is inserted into authorization regex...

CVE-2026-47275 nanomq NULL Pointer Dereference in MQTTv5 Client CONNECT Decoder Leading to Remote DoS

In nanomq versions 0.24.11 and earlier, a NULL pointer dereference in nnimqttv5msgdecodeconnect allows a malicious MQTT broker to crash any connecting NanoMQ MQTTv5 client including bridge mode with a single packet, causing remote denial of service via SIGSEGV. In nnimqttv5msgdecodeconnect...

The vulnerability of the Microsoft Message Queuing (MSMQ) queue service on Windows operating systems allows a perpetrator to execute arbitrary code.

The vulnerability of the Microsoft Message Queuing MSMQ service on Windows operating systems relates to the possibility of exploiting memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

The vulnerability of the Microsoft Message Queuing (MSMQ) queue service on Windows operating systems allows a perpetrator to execute arbitrary code.

The vulnerability of the Microsoft Message Queuing MSMQ service on Windows operating systems is related to buffer overflows in dynamic memory. Exploiting this vulnerability can allow an attacker to execute arbitrary code remotely...

Exploit for CVE-2026-54992

CVE-2026-54992 PoC Proof of concept for the Microsoft Message...

CVE-2026-60065

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...

EUVD-2026-44685

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...

CVE-2026-60065

CVE-2026-60065 affects NGINX Plus when the MQTT filter module (ngx_stream_mqtt_filter_module) is enabled. Unauthenticated attackers can send crafted requests to trigger a heap buffer over-read in an NGINX worker process, potentially causing a restart. Impact is limited to data-plane availability ...

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...

RabbitMQ: AMQP 1.0, AMQP 0-9-1, Stream Protocol loopback enforcement can lead to remote guest sessions due to listener-address loopback checks

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EUVD-2026-44106

Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network...

EUVD-2026-44068

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network...

EUVD-2026-44054

Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network...

EUVD-2026-44013

Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally...

CVE-2026-50505

Use after free in Windows Message Queuing allows an authorized attacker to execute code over a network...

CVE-2026-50447

Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network...

CVE-2026-50439

Use after free in Microsoft Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network...

Vulnerabilities in Microsoft Windows

Microsoft has fixed a very large number of vulnerabilities in Windows. A malicious actor could exploit these vulnerabilities to carry out attacks that could result in the types of damage listed in the table below. The most serious vulnerabilities have the following identifiers: CVE-2026-49172,...