CVE-2026-67405

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, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

DEBIAN-CVE-2026-67404

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, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

DEBIAN-CVE-2026-67235

RabbitMQ is a messaging and streaming broker. Prior to versions 4.3.0, 4.2.6, 4.1.11, 4.0.20, and 3.13.15, The content-header BodySize a uint64 was stored without validation against maxmessagesize. The size check ran only when assembly completed. By declaring bodysize = 2^63-1 and then streaming...

DEBIAN-CVE-2026-67240

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, patterntoregex maps % - .? and - ., then compiles ^...$ with only unicode; re:run is called with only capture, none - no explicit matchlimit. A pattern like %%...%X becomes ^.?..?.....?.X$ with overlapping lazy...

DEBIAN-CVE-2026-67229

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, addvhost/2 calls rabbitdatacoercion:atomizekeys/1 the unsafe variant using binarytoatom on the vhost metadata map. The 20 MB management body limit fits 1M+ short keys. Admin-only. An...

DEBIAN-CVE-2026-67219

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, addbinding/3 parses the routing key as an integer weight N and computes ring positions with lists:seqNextN0, NextN0 + N - 1. validatebinding/2 only checks N = 1 , no upper bound. The resulti...

DEBIAN-CVE-2026-67221

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, The AMQP 0-9-1 shovel calls amqpuri:removecredentials before storing its connection URI, but the AMQP 1.0 shovel stores the raw URI including the password. The stored URI is visible via GET...

CVE-2026-67219

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, addbinding/3 parses the routing key as an integer weight N and computes ring positions with lists:seqNextN0, NextN0 + N - 1. validatebinding/2 only checks N = 1 , no upper bound. The resulti...

CVE-2026-67224

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 trace consumer constructs the output path as filename:joinTraceDir, Name ++ ".log" where Name comes from PUT /api/traces/:vhost/:name. No saferelativepath / traversal check is applied on...

DEBIAN-CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

DEBIAN-CVE-2026-67228

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The runtime-parameters lookup path coerces the URL :component segment to an atom with rabbitdatacoercion:toatom/1 in lookupcomponent/1 deps/rabbit/src/rabbitruntimeparameters.erl, creating a new atom for any previous...

CVE-2026-67228

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, The runtime-parameters lookup path coerces the URL :component segment to an atom with rabbitdatacoercion:toatom/1 in lookupcomponent/1 deps/rabbit/src/rabbitruntimeparameters.erl, creating a new atom for any previous...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67221

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, The AMQP 0-9-1 shovel calls amqpuri:removecredentials before storing its connection URI, but the AMQP 1.0 shovel stores the raw URI including the password. The stored URI is visible via GET...

CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

DEBIAN-CVE-2026-67224

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 trace consumer constructs the output path as filename:joinTraceDir, Name ++ ".log" where Name comes from PUT /api/traces/:vhost/:name. No saferelativepath / traversal check is applied on...

DEBIAN-CVE-2026-67231

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, The trust-store plugin installs a verifyfun that overrides badcert, unknownca / badcert, selfsignedpeer when the presented cert "matches" a whitelisted one. The match key is extractissuerid/...

CVE-2026-67229

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, addvhost/2 calls rabbitdatacoercion:atomizekeys/1 the unsafe variant using binarytoatom on the vhost metadata map. The 20 MB management body limit fits 1M+ short keys. Admin-only. An...

DEBIAN-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...