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CVE-2026-67239

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18 and 4.0.23 and 4.1.14 and 4.2.9 and 4.3.3, Stored XSS via TLS peer-certificate DN in stream-management UI (sibling of V-11). lines 102/106/110...

1 affected package

rabbitmq-server

Package 20.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67237

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, set_token_auth/2 inserted a bearer token from the Authorization header or access_token cookie into OAuth bootstrap JavaScript without escaping,...

1 affected package

rabbitmq-server

Package 20.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67234

Medium priority
Needs evaluation

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, get_auth_mechanism/1 used term_to_binary/1 on the strict_auth_mechanism or preferred_auth_mechanism atom when clearing the corresponding cookie,...

1 affected package

rabbitmq-server

Package 20.04 LTS
rabbitmq-server Needs evaluation
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CVE-2026-67230

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 Web STOMP WebSocket handler enforced neither max_frame_size nor login_timeout before authentication, allowing...

1 affected package

rabbitmq-server

Package 20.04 LTS
rabbitmq-server Needs evaluation
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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 20.04 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 20.04 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 20.04 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 20.04 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 20.04 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 20.04 LTS
rabbitmq-server Needs evaluation
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