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CVE-2026-67227

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.0.22 and 4.1.14 and 4.2.7 and 4.3.1, Atom exhaustion: toatom on global-parameter :name. resourceexists/2 (and the PUT/DELETE handlers)...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67226

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.0.22 and 4.1.14 and 4.2.7, Admin-only atom exhaustion: PUT /api/users tags list. settags/2 maps rabbitdatacoercion:toatom/1 over the user's tags list. The 20 MB...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67225

Medium priority
Needs evaluation

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, the stream protocol stored the FrameMax value negotiated during the Tune handshake but did not compare it with an inbound frame's...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67223

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. The advisory establishes affected 3.13, 4.0, 4.1, 4.2, and 4.3 maintenance lines but contains conflicting first-fixed versions for the 3.13, 4.0, and 4.1 lines. fill/2 substitutes...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67222

Medium priority
Needs evaluation

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 list_to_atom/1 to every colon-delimited token in an attacker-controlled auth_mechanism value, permanently...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-66078

Medium priority
Needs evaluation

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, protected tag bypass via bulk-delete. dELETE /api/users/:name refuses to delete users tagged...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-66073

Medium priority
Needs evaluation

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)...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-66071

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.22 and 4.1.11 and 4.2.6 and 4.3.1, Atom exhaustion: OAuth2 JWT tag: scope values. extractscopes/1 parses scopes of the form .tag: and...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-61837

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 4.0.0 until 4.3.3, 4.2.9, 4.1.14, and 4.0.23, AMQP 1.0 management GET /bindings exposes full binding topology to any authenticated AMQP user without resource/management permission...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67236

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, a successful POST /login caused is_authorized/2 to set an auth cookie containing base64-encoded username:password credentials without HttpOnly,...

1 affected package

rabbitmq-server

Package 24.04 LTS
rabbitmq-server Needs evaluation
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