{"id":"CVE-2026-57219","state":"PUBLISHED","title":"RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations","description":"RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauth_client_secret, exposing credentials to unauthenticated callers when the management plugin and that OAuth configuration are enabled. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.","publishedAt":"2026-07-10T20:22:26.516Z","updatedAt":"2026-07-29T19:26:44.962Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["rabbitmq rabbitmq-server"],"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"}]}],"references":["https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-pj24-8j6m-vq9q","https://github.com/rabbitmq/rabbitmq-server/pull/16083","https://github.com/rabbitmq/rabbitmq-server/pull/16086","https://github.com/rabbitmq/rabbitmq-server/commit/98b1daf740237c85941e8addcbea6e74f4a2743c","https://github.com/rabbitmq/rabbitmq-server/commit/aa387c4451e7b674df3e3ba89df86a99d697cc7f","https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/57xxx/CVE-2026-57219.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57219","state":"PUBLISHED","datePublished":"2026-07-10T20:22:26.516Z","dateUpdated":"2026-07-29T19:26:44.962Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-24T02:21:33.810Z"},"containers":{"cna":{"title":"RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations","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, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauth_client_secret, exposing credentials to unauthenticated callers when the management plugin and that OAuth configuration are enabled. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6."}],"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"}]}],"references":[{"url":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-pj24-8j6m-vq9q","name":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-pj24-8j6m-vq9q","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/rabbitmq/rabbitmq-server/pull/16083","name":"https://github.com/rabbitmq/rabbitmq-server/pull/16083","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/rabbitmq-server/pull/16086","name":"https://github.com/rabbitmq/rabbitmq-server/pull/16086","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/rabbitmq-server/commit/98b1daf740237c85941e8addcbea6e74f4a2743c","name":"https://github.com/rabbitmq/rabbitmq-server/commit/98b1daf740237c85941e8addcbea6e74f4a2743c","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/rabbitmq-server/commit/aa387c4451e7b674df3e3ba89df86a99d697cc7f","name":"https://github.com/rabbitmq/rabbitmq-server/commit/aa387c4451e7b674df3e3ba89df86a99d697cc7f","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6","name":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-10T20:22:26.516Z"},"source":{"advisory":"GHSA-pj24-8j6m-vq9q","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-57219","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-07-16T03:55:25.368000Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-29T19:26:44.962Z"}}]}}}