1863 matches found
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...
Acer Predator Connect W6x 安全漏洞
The Acer Predator Connect W6x is a series of high-performance Wi-Fi 6/6E gaming routers produced by Acer of Taiwan, China. The Acer Predator Connect W6x has a security vulnerability, which stems from improper access control in the MQTT proxy, allowing wildcard topic subscriptions, thereby exposin...
Linux Distros Unpatched Vulnerability : CVE-2026-44838
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...
CVE-2026-44248
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...
SUSE 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 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 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 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...
EUVD-2026-32548
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 plugin contains a permission bypass vulnerability: topic-level authorization uses user-supplied client_id substituted into a regex pattern without escaping. From 4.2.0 up to before 4.2.4, an authenticated MQTT user could inject regex operators to bypass topic restrictions. The issue...
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-2025-56352
CVE-2025-56352 affects the tinyMQTT broker. When processing a CONNECT packet with a zero-length Client ID and CleanSession=0, the broker returns CONNACK 0x02 (Identifier Rejected) but fails to explicitly close the TCP connection, leaving the socket open. Repeated invalid CONNECT attempts can exha...
PT-2026-41677
In tinyMQTT commit 6226ade15bd4f97be2d196352e64dd10937c1962 2024-02-18, the broker mishandles protocol violations during CONNECT packet parsing. When receiving a CONNECT packet with a zero-length Client ID while CleanSession is set to 0, the broker correctly replies with a CONNACK return code 0x0...
CVE-2026-8686
Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1...
CVE-2026-8686
Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1...
CVE-2026-8686 DoS from MQTT v5.0 Deserialization Fault in core MQTT
Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1...
CVE-2026-8686 DoS from MQTT v5.0 Deserialization Fault in core MQTT
Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1...
CVE-2026-8686
CVE-2026-8686 affects coreMQTT’s MQTT v5.0 property parser. The vulnerability is due to missing bounds validation in the parser prior to version 5.0.1, which may allow an MQTT broker to trigger a denial-of-service by sending a crafted packet. Affected component: coreMQTT (MQTT v5.0 property parsi...
SUSE CVE-2026-44248
Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, the MQTT 5 header Properties section is parsed and buffered before any message size limit is applied. Specifically, in MqttDecoder, the decodeVariableHeader method is called before the...
Linux Distros Unpatched Vulnerability : CVE-2026-44248
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, the MQTT 5 header Properties section is parsed an...