CVE-2026-67222 RabbitMQ: list_to_atom on auth_mechanism URI tokens in amqp_client

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, mechanisms/1 applied listtoatom/1 to every colon-delimited token in an attacker-controlled authmechanism value, permanently consuming Erlang VM atoms and allowing the node to be crashed with a larg...

CVE-2026-67222

The messaging and streaming broker RabbitMQ is vulnerable to a Denial of Service (DoS) attack in versions 3.13.0 through 3.13.14 , 4.0.0 through 4.0.19 , 4.1.0 through 4.1.10 , and 4.2.0 through 4.2.5 . The root cause is that the mechanisms/1 function applies list_to_atom/1 to every colon-delimit...

Linux Distros Unpatched Vulnerability : CVE-2026-67222

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 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, mechanisms/1 applied listtoatom/1 to every colon-delimited...

Linux Distros Unpatched Vulnerability : CVE-2026-67412

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 3.13.0 until 4.3.3, 4.2.9 , 4.1.14, 4.0.24, and 3.13.18, Federation upstream in RabbitMQ skips vhost...

PT-2026-98904

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.14 RabbitMQ versions 4.0.x prior to 4.0.20 RabbitMQ versions 4.1.x prior to 4.1.11 RabbitMQ versions 4.2.x prior to 4.2.6 Description An issue exists where the mechanisms/1 function applies list to atom/1 ...

PT-2026-98921

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.17 RabbitMQ versions 4.0.0 through 4.0.23 RabbitMQ versions 4.1.0 through 4.1.13 RabbitMQ versions 4.2.0 through 4.2.8 RabbitMQ versions 4.3.0 through 4.3.2 Description Federation upstream skips vhost...

CVE-2026-67412: Missing Authorization

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 4.3.3, 4.2.9 , 4.1.14, 4.0.24, and 3.13.18, Federation upstream in RabbitMQ skips vhost authorization allowing cross-vhost message access. what the bug lets you do. A policymaker on one vhost reads and drains messages out of another...

SUSE CVE-2026-66075

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

Linux Distros Unpatched Vulnerability : CVE-2026-66075

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. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1, isauthorized/2 for the /federation-links/.../restart...

DEBIAN-CVE-2026-66075

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

AZL-105753 CVE-2026-66075 affecting package rabbitmq-server 3.13.7-9

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-66075

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

UBUNTU-CVE-2026-66075

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-66075

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-66075

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-66075 RabbitMQ: Monitoring-tag user can restart federation links

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

EUVD-2026-85655

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-66075 RabbitMQ: Monitoring-tag user can restart federation links

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...

CVE-2026-66075

RabbitMQ versions prior to 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.1 are vulnerable to a privilege escalation issue. The /federation-links/.../restart route incorrectly uses is_authorized_monitor, which accepts the monitoring tag , while allowing the DELETE method. Because there is no per-method ...

CVE-2026-66075 RabbitMQ: Monitoring-tag user can restart federation links

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, isauthorized/2 for the /federation-links/.../restart route uses isauthorizedmonitor accepts the monitoring tag, while allowedmethods permits DELETE and deleteresource/2 triggers...