{"id":"GHSA-9vc8-qppq-wvxc","summary":"Spring Boot's RabbitMQ auto-configuration doesn't perform hostname verification when connecting to the RabbitMQ broker","details":"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.","aliases":["CVE-2026-40971"],"modified":"2026-05-06T19:26:29.024018Z","published":"2026-04-28T00:31:40Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-05-06T19:02:59Z","nvd_published_at":"2026-04-27T23:16:03Z","cwe_ids":["CWE-295"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40971"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-boot"},{"type":"WEB","url":"https://spring.io/security/cve-2026-40971"}],"affected":[{"package":{"name":"org.springframework.boot:spring-boot-rabbitmq","ecosystem":"Maven","purl":"pkg:maven/org.springframework.boot/spring-boot-rabbitmq"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.6"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-9vc8-qppq-wvxc/GHSA-9vc8-qppq-wvxc.json"}},{"package":{"name":"org.springframework.boot:spring-boot-rabbitmq","ecosystem":"Maven","purl":"pkg:maven/org.springframework.boot/spring-boot-rabbitmq"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"3.5.14"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-9vc8-qppq-wvxc/GHSA-9vc8-qppq-wvxc.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}