CVE-2026-57212
HIGHRabbitMQ management HTTP API accepts request bodies larger than configured max_http_body_size
Title source: cnaDescription
RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_management HTTP API accepts oversized valid JSON bodies on with_decode and direct_request paths because read_complete_body checks the accumulated size before the final chunk but not the final combined size. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.
References (6)
Core 6
Core References
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https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-5cmq-vp28-xqrj
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https://github.com/rabbitmq/rabbitmq-server/pull/15712
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https://github.com/rabbitmq/rabbitmq-server/pull/15714
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https://github.com/rabbitmq/rabbitmq-server/commit/3976d148901bdfa82e1cd60b7a4534e073266ba5
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https://github.com/rabbitmq/rabbitmq-server/commit/b8fc2ef7c50a2797d15e1ea7cf34f290032303bb
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https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5
Scores
CVSS v3
7.7
EPSS
0.0029
EPSS Percentile
21.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (5)
broadcom/rabbitmq_server
3.13.0 - 4.2.5
rabbitmq/rabbitmq-server
>= 3.13.0, < 3.13.14
rabbitmq/rabbitmq-server
>= 4.0.0, < 4.0.19
rabbitmq/rabbitmq-server
>= 4.1.0, < 4.1.10
rabbitmq/rabbitmq-server
>= 4.2.0, < 4.2.5
Published
Jul 10, 2026
Tracked Since
Jul 11, 2026