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    CVE-2026-57212

    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.

    Published:Jul 10, 2026
    Last Modified:Jul 26, 2026
    EPS:Jul 10, 2026
    EPSS Score:0.00433
    CVSS Score:7.7

    Affected Products

    Vendor
    Rabbitmq
    Product
    Rabbitmq-server

    Exploits

    https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-5cmq-vp28-xqrjhttps://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-5cmq-vp28-xqrj

    Related CVEs

    CVE-2026-57217 (CVSS 7) — RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic auth…
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    CVE-2026-57218 (CVSS 4.9) — RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer …
    CVE-2026-57216 (CVSS 6.8) — RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, AMQP 0-9-1, AMQP 1.…
    CVE-2026-57220 (CVSS 7.5) — RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, the RabbitMQ stream listener does not enforce th…
    CVE-2026-57214 (CVSS 7.1) — RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-interna…
    CVE-2026-57211 (CVSS 6.5) — RabbitMQ is a messaging and streaming broker. Prior to 4.1.11 and 4.2.6 on Windows, the RabbitMQ management pl…
    CVE-2026-57213 (CVSS 5.7) — RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_federa…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High