{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57221","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-24T02:21:33.810Z","datePublished":"2026-07-10T20:24:27.921Z","dateUpdated":"2026-07-13T18:05:48.847Z"},"containers":{"cna":{"title":"RabbitMQ: Passive queue/exchange declaration bypasses authorization checks, leaking queue metadata to unprivileged users","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2"},{"name":"https://github.com/rabbitmq/rabbitmq-server/pull/16085","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/pull/16085"},{"name":"https://github.com/rabbitmq/rabbitmq-server/pull/16090","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/pull/16090"},{"name":"https://github.com/rabbitmq/rabbitmq-server/commit/709a14e49e06c138a8cd672c9809ca34a2767962","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/commit/709a14e49e06c138a8cd672c9809ca34a2767962"},{"name":"https://github.com/rabbitmq/rabbitmq-server/commit/dc3d1aa4f5c3331a425ee599b45be9423a2e83fc","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/commit/dc3d1aa4f5c3331a425ee599b45be9423a2e83fc"},{"name":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6","tags":["x_refsource_MISC"],"url":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6"}],"affected":[{"vendor":"rabbitmq","product":"rabbitmq-server","versions":[{"version":">= 4.2.0, < 4.2.6","status":"affected"},{"version":">= 4.1.0, < 4.1.11","status":"affected"},{"version":">= 4.0.0, < 4.0.21","status":"affected"},{"version":">= 3.13.0, < 3.13.15","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-10T20:24:27.921Z"},"descriptions":[{"lang":"en","value":"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 authenticated user who can connect to a virtual host to enumerate queue and exchange names and read queue message and consumer counts. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6."}],"source":{"advisory":"GHSA-9q2j-2hq8-22r2","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-13T18:05:20.433678Z","id":"CVE-2026-57221","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-13T18:05:48.847Z"}}]}}