CVE-2026-67233

A flaw was found in RabbitMQ. An authenticated monitoring user, who is intended to have read-only access, can exploit an improper authorization vulnerability. This allows them to delete or restart 'shovels' in any virtual host they can access, leading to a denial of service or disruption of messa...

CVE-2026-67233

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, The shovel management resource's isauthorized/2 delegates to rabbitmgmtutil:isauthorizedmonitor/2, which accepts the monitoring tag. But allowedmethods includes DELETE, and deleteresource/2...

CVE-2026-67233

The messaging and streaming broker RabbitMQ is vulnerable to an authorization bypass in versions prior to 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1 . When both the rabbitmq_shovel and rabbitmq_shovel_management plugins are enabled, a user with a monitoring tag can perform unauthorized state-chang...

CVE-2026-67233 RabbitMQ: Monitoring-tag user can DELETE shovels

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, The shovel management resource's isauthorized/2 delegates to rabbitmgmtutil:isauthorizedmonitor/2, which accepts the monitoring tag. But allowedmethods includes DELETE, and deleteresource/2...

CVE-2026-67238

A flaw was found in RabbitMQ, a messaging and streaming broker. An authenticated AMQP Advanced Message Queuing Protocol client can trigger an atom-table exhaustion by sending specially crafted reply-to queue names for decoding. This can lead to the entire Erlang Virtual Machine VM crashing,...

CVE-2026-67220

A flaw was found in RabbitMQ, a messaging and streaming broker. An authenticated low-privilege AMQP Advanced Message Queuing Protocol user can exploit this vulnerability by creating bindings on an x-jms-topic exchange with specially crafted selector strings. This action causes an exhaustion of...

CVE-2026-66080

A flaw was found in RabbitMQ. A highly privileged remote attacker, with the rabbitmqstreammanagement plugin enabled and access to the target vhost, can exploit an unbounded allocation vulnerability in the super-stream partitions. This allows the attacker to allocate a large amount of memory,...

CVE-2026-66075

A flaw was found in RabbitMQ, a messaging and streaming broker. A remote attacker with monitoring user credentials can exploit an authorization flaw to restart federation links. This unauthorized action disrupts message flow, leading to a denial of service DoS for affected services. This...

CVE-2026-66069

A flaw was found in RabbitMQ. A user with a monitoring tag, when the Management plugin is enabled, can reset the per-node authentication-attempt counters. This action, which should be restricted to administrators, allows the monitoring-tagged user to erase evidence of brute-force login attempts...

CVE-2026-67405

A flaw was found in RabbitMQ's Web-MQTT and Web-STOMP handlers. These handlers do not properly validate the Origin header during a WebSocket upgrade. When specific non-default configurations are enabled, such as usehttpauth=true for Web-STOMP or sslcertlogin=true for both plugins, an attacker can...

CVE-2026-67231

A flaw was found in RabbitMQ. The trust-store plugin incorrectly validates client certificates by only matching the issuer name and serial number, rather than using the full certificate for path validation. This allows a remote attacker, who knows the issuer name and serial number of a whiteliste...

CVE-2026-67218

A flaw was found in RabbitMQ. A user with management tag and virtual host vhost access, but lacking configure permissions, can exploit a vulnerability in the HTTP API for super-stream creation. This flaw allows the user to bypass permission checks and create persistent cluster-wide resources, suc...

CVE-2026-66079

A flaw was found in RabbitMQ. An unauthenticated network attacker can exploit an issue in the AMQP 1.0 listener by sending a specially crafted 19-byte frame. This causes the system to attempt to build a list of approximately 4 billion empty elements, exhausting heap memory and terminating the...

CVE-2026-66070

A flaw was found in RabbitMQ. When the management plugin is configured with a wildcard Cross-Origin Resource Sharing CORS origin, it incorrectly reflects the attacker's origin and allows credentials. This vulnerability enables a malicious web page to leverage a signed-in administrator's cached...

CVE-2026-67240

A flaw was found in RabbitMQ, a messaging and streaming broker. An authenticated AMQP 1.0 consumer with read and write permissions on a stream queue can exploit a Regular Expression Denial of Service ReDoS vulnerability. This occurs when a crafted LIKE filter is processed, leading to excessive CP...

CVE-2026-67229

A flaw was found in RabbitMQ, a messaging and streaming broker. An administrator with appropriate privileges can trigger a Denial of Service DoS by importing a specially crafted definitions file. This file, containing a large number of unique metadata keys, causes the system to exhaust its atom...

CVE-2026-67228

A flaw was found in RabbitMQ. An authorized policymaker can exploit this vulnerability by issuing a large number of requests with distinct component values to the runtime-parameters lookup path. This action coerces attacker-supplied strings into new atoms, eventually exhausting the Erlang atom...

CVE-2026-67224

A flaw was found in RabbitMQ, a messaging and streaming broker. A user with administrator privileges could exploit a path traversal vulnerability in the tracing plugin. By manipulating the name parameter, an attacker could write a .log-suffixed file to arbitrary filesystem paths writable by the...

CVE-2026-67221

A flaw was found in RabbitMQ, a messaging and streaming broker. The AMQP 1.0 shovel component incorrectly stores connection Uniform Resource Identifiers URIs with embedded plaintext passwords. This information can be exposed to an authenticated attacker with monitoring privileges via the...

CVE-2026-66068

A flaw was found in RabbitMQ, a messaging and streaming broker. When the Shovel plugin is enabled with URI-embedded credentials and debug logging is active, the completion of an autodelete shovel can cause decrypted AMQP Advanced Message Queuing Protocol URIs, including usernames and passwords, t...