{"document":{"aggregate_severity":{"namespace":"https://access.redhat.com/security/updates/classification/","text":"Important"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57217.json"}],"title":"rabbitmq: RabbitMQ: Authorization bypass allows unauthorized topic writes and binds during metadata-store failures","tracking":{"current_release_date":"2026-07-29T03:45:19+00:00","generator":{"date":"2026-07-29T03:45:19+00:00","engine":{"name":"Red Hat 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During metadata-store failures, the topic authorization mechanism can incorrectly allow restricted topic writes and binds. This occurs because permission lookup errors from Khepri are treated as an 'allow' condition by the internal backend. This vulnerability could enable an attacker to bypass intended topic restrictions, potentially leading to unauthorized message manipulation or access.","title":"Vulnerability description"},{"category":"summary","text":"rabbitmq: RabbitMQ: Authorization bypass allows unauthorized topic writes and binds during metadata-store failures","title":"Vulnerability summary"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score applicability"}],"product_status":{"fixed":["Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64","Red Hat Hardened Images:rabbitmq-server4-2-main@src","Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64","Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64","Red Hat Hardened Images:rabbitmq-server4-3-main@src","Red Hat Hardened 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details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/","product_ids":["Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64","Red Hat Hardened Images:rabbitmq-server4-2-main@src","Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64"],"url":"https://access.redhat.com/errata/RHSA-2026:35940"},{"category":"vendor_fix","date":"2026-07-06T15:02:20+00:00","details":"For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/","product_ids":["Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64","Red Hat Hardened Images:rabbitmq-server4-3-main@src","Red Hat Hardened 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RabbitMQ: Authorization bypass allows unauthorized topic writes and binds during metadata-store failures"}]}