{"id":"CVE-2026-40971","aliases":["EUVD-2026-25930","GHSA-9vc8-qppq-wvxc"],"status":"published","title":"Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00157,"percentile":0.04919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2026-04-27T22:45:13Z","modified":"2026-10-28T02:30:52Z","fixes":[{"ecosystem":"Maven","package":"org.springframework.boot:spring-boot-rabbitmq","fixed_in":["4.0.6","3.5.14"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.boot:spring-boot-rabbitmq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.6"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework.boot:spring-boot-rabbitmq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"3.5.14"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.boot:spring-boot-rabbitmq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.6"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.springframework.boot:spring-boot-rabbitmq","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"3.5.14"}]}]}],"products":[{"vendor":"spring","product":"spring boot"},{"vendor":"vmware","product":"spring_boot"}],"references":[{"url":"https://spring.io/security/cve-2026-40971","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40971","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9vc8-qppq-wvxc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40971.json","tags":["advisory"]},{"url":"https://github.com/spring-projects/spring-boot","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-40971","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","status":"published","published":"2026-04-27T22:45:13.327Z","modified":"2026-04-28T12:46:29.029Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-25930","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","status":"published","published":"2026-04-27T22:45:13Z","modified":"2026-04-28T12:46:29Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:24:16.972131Z"}],"ghsa":[{"id":"GHSA-9vc8-qppq-wvxc","title":"Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","status":"published","published":"2026-04-28T00:31:40Z","modified":"2026-05-06T19:03:01Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:40:01.917039Z"}],"nvd":[{"id":"CVE-2026-40971","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","status":"published","published":"2026-04-27T23:16:03.403Z","modified":"2026-07-24T21:10:00.143Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:12:16.252509Z"}],"osv":[{"id":"CVE-2026-40971","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","status":"published","published":"2026-04-27T22:45:13.327Z","modified":"2026-10-28T02:30:52.141977228Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:45:03.424067Z"},{"id":"GHSA-9vc8-qppq-wvxc","title":"Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker","description":"When configured to use an SSL bundle, Spring Boot's RabbitMQ auto-configuration does not perform hostname verification when connecting to the RabbitMQ broker.\n\nAffected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14) per vendor advisory.","status":"published","published":"2026-04-28T00:31:40Z","modified":"2026-05-06T19:26:29.024018Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:46:44.225359Z"}]}}