{"id":"CVE-2026-57219","summary":"RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations","details":"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.","aliases":["GHSA-pj24-8j6m-vq9q"],"modified":"2026-07-17T03:41:52.696181630Z","published":"2026-07-10T20:22:26.516Z","database_specific":{"cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57219.json","unresolved_ranges":[{"extracted_events":[{"introduced":"4.1.0"},{"fixed":"4.1.11"},{"introduced":"4.0.0"},{"fixed":"4.0.21"},{"introduced":"3.13.0"},{"fixed":"3.13.15"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57219.json"},{"type":"ADVISORY","url":"https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-pj24-8j6m-vq9q"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57219"},{"type":"FIX","url":"https://github.com/rabbitmq/rabbitmq-server/commit/98b1daf740237c85941e8addcbea6e74f4a2743c"},{"type":"FIX","url":"https://github.com/rabbitmq/rabbitmq-server/commit/aa387c4451e7b674df3e3ba89df86a99d697cc7f"},{"type":"FIX","url":"https://github.com/rabbitmq/rabbitmq-server/pull/16083"},{"type":"FIX","url":"https://github.com/rabbitmq/rabbitmq-server/pull/16086"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rabbitmq/rabbitmq-server","events":[{"introduced":"c73bcd30fcadd77f3ec354c686f969fc971ac940"},{"fixed":"8a56c37f099a7bf609a555de3f0ff8ed23964d20"},{"fixed":"98b1daf740237c85941e8addcbea6e74f4a2743c"},{"fixed":"aa387c4451e7b674df3e3ba89df86a99d697cc7f"}],"database_specific":{"cpe":"cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.13.0"},{"fixed":"4.2.6"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v4.2.5","v4.2.4","v4.2.3","v4.2.2","v4.2.1","v4.2.0","v4.2.0-rc.1","v4.2.0-beta.4","v4.2.0-beta.3","v4.2.0-beta.2","v4.2.0-beta.1","v4.1.0-beta.4","v4.1.0-beta.3","v4.1.0-beta.2","v4.1.0-beta.1","v4.1.0-alpha","v3.13.0-rc.6","v3.13.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57219.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}