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CVE-2026-67238

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to versions 4.2.7 and 4.3.1, rabbit_pid_codec:decompose_from_binary/1 parses a caller-supplied ETF-encoded binary and calls binary_to_atom(Node, utf8) on the node-name field. It...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-66079

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, parse_array_primitive/2 for constructor 0x45 (list0) returns an element with byte-width B = 0. The enclosing array32 parser at...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-66076

Medium priority
Needs evaluation

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, is_authorized/2 calls rabbit_mgmt_util:is_authorized/2, which checks only the management tag, instead of...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-66070

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6, match_origin/1 returned the bare reflected Origin and allowed credentials even when the wildcard "" was configured, so the...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-65624

Medium priority
Needs evaluation

Allocation of Resources Without Limits or Throttling vulnerability in ninenines cowboy allows an unauthenticated remote attacker to exhaust connection process memory over HTTP/1.1. The HTTP/1.1 handler in cowboy_http enforces the...

2 affected packages

erlang-cowboy, rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
erlang-cowboy Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-59248

Medium priority
Needs evaluation

Allocation of resources without limits vulnerability in ninenines cowlib allows an unauthenticated remote HTTP/2 or HTTP/3 peer to exhaust memory on the vulnerable server (or client) and cause a denial of service. The HPACK and...

2 affected packages

erlang-cowlib, rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
erlang-cowlib Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-57221

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ does not perform authorization checks on passive queue.declare and exchange.declare AMQP 0-9-1 operations, allowing any...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-57220

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce the configured stream frame-size limit while assembling frames during authentication and before Tune negotiation, allowing...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-57219

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-57218

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to reduced scopes...

1 affected package

rabbitmq-server

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
rabbitmq-server Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
Show less packages