UBUNTU-CVE-2026-44838

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-44838 RabbitMQ MQTT Topic Permission Authorization Bypass

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-41704

AgentClienthandlemethod lines 264-303 processes every NATS reply. It calls injectcompilelog line 273 on every response, which reads response'value''result''compilelogid' line 332-338 and passes it to downloadanddeleteblob. Separately, any response containing 'exception' goes through formatexcepti...

CVE-2026-47161: Deserialization of Untrusted Data

RELATE is a web-based courseware package. Prior to commit d66ba5659b459bf1ba56b7109b5f9ecf197cbefb, RELATE LMS configures its Celery workers to accept and deserialize untrusted 'pickle' data. An attacker who can reach the message broker can execute arbitrary commands on the host server. Combined...

EUVD-2026-29102

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-2026-33356 Meari MQTT broker missing per-device subscribe ACL

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...

EUVD-2026-28400

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...

curl: MQTT CONNACK Packet Type Bypass leads to RCE via Malicious Broker

Summary: mqttverifyconnack in lib/mqtt.c never checks that the received packet type is actually a CONNACK 0x20. The constant MQTTMSGCONNACK is commented out at line 45, making the check impossible to write. A malicious broker can send any packet — e.g. PUBACK 0x40 — with remaininglength=2 and...

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-2026-40453

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

Allocation of Resources Without Limits or Throttling

Overview org.apache.activemq:activemq-broker is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in NIO SSL transport processing. An attacker can cause the...

CVE-2026-5535

A security flaw has been discovered in FedML-AI FedML up to 0.8.9. This impacts an unknown function of the file FileUtils.java of the component MQTT Message Handler. Performing a manipulation of the argument dataSet results in path traversal. The attack is possible to be carried out remotely. The...

CVE-2026-5535

A security flaw has been discovered in FedML-AI FedML up to 0.8.9. This impacts an unknown function of the file FileUtils.java of the component MQTT Message Handler. Performing a manipulation of the argument dataSet results in path traversal. The attack is possible to be carried out remotely. The...

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-2026-3059

The SGLang multimodal generation module is vulnerable to unauthenticated remote code execution (RCE) via the ZMQ broker . The root cause is the insecure deserialization of untrusted data using the pickle.loads() function without any authentication. An attacker could potentially execute arbitrary ...

CVE-2026-21888

CVE-2026-21888 affects NanoMQ (MQTT v5) where get_var_integer() in the Variable Byte Integer parser accepts 5-byte varints without bounds checks, causing an out-of-bounds read and potential crash when built with ASan. Impact is described as high severity (CVSSv3.1: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N...

Important: Red Hat Security Advisory: Red Hat AMQ Broker 7.13.4 release and security update

Red Hat AMQ Broker 7.13.4 is now available from the Red Hat Customer Portal. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

OpenMQ 安全漏洞

OpenMQ is a Java EE open-source message flow middleware. There is a security vulnerability in OpenMQ, which stems from insecure configuration parsing. This vulnerability could allow remote attackers to read arbitrary files from the MQ Broker server...

org.glassfish.mq:mq-client (>=6.4.0, <=6.9.0), org.glassfish.mq:mq-cluster (>=6.4.0, <=6.9.0) +12 more potentially affected by CVE-2026-22886 via org.glassfish.mq:mqbroker-core (>=6.4.0, <=6.9.0)

org.glassfish.mq:mqbroker-core MAVEN version =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.4.0, =6.9.0 Source cves: CVE-2026-22886 Source advisory: SNYK:JAVA-ORGGLASSFISHMQ-15444256...

Important: Red Hat Security Advisory: yggdrasil security update

An update for yggdrasil is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...