BIT-RABBITMQ-2026-67218 RabbitMQ: Super-stream HTTP creation skips configure-permission check

RabbitMQ is a messaging and streaming broker. Prior to versions 4.0.22, 4.1.11, 4.2.6, and 4.3.0, acceptcontent/2 at line 56 calls rabbitstreammanager:createsuperstream/... directly after isauthorized which only checks the management tag + vhost access via isauthorizedvhost. The stream-protocol...

BIT-RABBITMQ-2026-66080 RabbitMQ: Super-stream partitions unbounded allocation

RabbitMQ is a messaging and streaming broker. Prior to versions 4.1.11, 4.2.6, and 4.3.0, validatepartitions only checks that the requested partition count is at least 1, with no upper bound. A large count such as lists:seq0, 500000000 allocates roughly 8GB. Preconditions include The...

PT-2026-105166

RabbitMQ is a messaging and streaming broker. Prior to versions 4.0.22, 4.1.11, 4.2.6, and 4.3.0, accept content/2 at line 56 calls rabbit stream manager:create super stream/... directly after is authorized which only checks the management tag + vhost access via is authorized vhost. The...

PT-2026-105159

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, match value/3 passes the user-supplied ?name= regular expression to re:run with no match limit option, and executes it once per resource in the result set. OTP's default 10M match limit caps...

AZL-105302 CVE-2026-66073 affecting package rabbitmq-server 3.13.7-9

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make →...

SUSE CVE-2026-66074

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

Linux Distros Unpatched Vulnerability : CVE-2026-66074

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 4.3.0, matchvalue/3 passes the user-supplied ?name= regular...

DEBIAN-CVE-2026-66074

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

AZL-105783 CVE-2026-66074 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 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-66074

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

UBUNTU-CVE-2026-66074

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-66074

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-67218

RabbitMQ messaging and streaming broker versions prior to 4.0.22, 4.1.11, 4.2.6, and 4.3.0 are vulnerable to a privilege escalation flaw. The accept_content/2 function in the HTTP handler calls rabbit_stream_manager:create_super_stream/... without invoking the necessary permission check (rabbit_s...

EUVD-2026-85663

RabbitMQ is a messaging and streaming broker. Prior to versions 4.0.22, 4.1.11, 4.2.6, and 4.3.0, acceptcontent/2 at line 56 calls rabbitstreammanager:createsuperstream/... directly after isauthorized which only checks the management tag + vhost access via isauthorizedvhost. The stream-protocol...

CVE-2026-67218

RabbitMQ is a messaging and streaming broker. Prior to versions 4.0.22, 4.1.11, 4.2.6, and 4.3.0, acceptcontent/2 at line 56 calls rabbitstreammanager:createsuperstream/... directly after isauthorized which only checks the management tag + vhost access via isauthorizedvhost. The stream-protocol...

EUVD-2026-85660

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-66074

A Regular Expression Denial of Service (ReDoS) vulnerability exists in RabbitMQ prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0 . The flaw occurs because the match_value/3 function passes a user-supplied ?name= regular expression to re:run without a match_limit option, executing it on...

CVE-2026-66074

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, matchvalue/3 passes the user-supplied ?name= regular expression to re:run with no matchlimit option, and executes it once per resource in the result set. OTP's default 10M matchlimit caps ea...

CVE-2026-66076

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, isauthorized/2 calls rabbitmgmtutil:isauthorized/2, which checks only the management tag, instead of isauthorizedvhost/2. The /api/queues/quorum/:vhost/:queue/status handler reads the vhost...

PT-2026-105060

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, match value/3 passes the user-supplied ?name= regular expression to re:run with no match limit option, and executes it once per resource in the result set. OTP's default 10M match limit caps...