{"id":"GHSA-387m-935m-c4vw","summary":"Micronaut doesn't set a maximum redirect count for its HTTP Client, enabling infinite loop DoS","details":"The Netty-based Micronaut HTTP Client does not impose a limit on HTTP redirections, potentially allowing an infinite redirect loop that could lead to a denial-of-service attack.\n\n### Patches\n\nThe following versions are patched: \n\n- For Micronaut 5, versions equal or greater than [5.0.1](https://github.com/micronaut-projects/micronaut-core/releases/v5.0.1) \u003e=\n- For Micronaut 4, versions equal or greater than [4.10.24](https://github.com/micronaut-projects/micronaut-core/releases/v4.10.24) \u003e=\n- For Micronaut 3, versions equal or greater than [3.10.7](https://github.com/micronaut-projects/micronaut-core/releases/v3.10.7) \u003e=\n\n### Workarounds\nNo\n\n### Resources\nMicronaut 5 Patch: https://github.com/micronaut-projects/micronaut-core/commit/6e88a972718d6e1521c5b3bb7766451798dba4e3\nMicronaut 4 Patch: https://github.com/micronaut-projects/micronaut-core/commit/f1dffffec8fb5e3b7e94ae907ce0be3831e499d4\nMicronaut 3 Patch: https://github.com/micronaut-projects/micronaut-core/commit/c06a2715ca7f78321bc3ca05f41cca78cd351320","modified":"2026-07-17T21:12:11.979939364Z","published":"2026-07-09T13:36:49Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-07-09T13:36:49Z","nvd_published_at":null,"cwe_ids":[],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/micronaut-projects/micronaut-core/security/advisories/GHSA-387m-935m-c4vw"},{"type":"WEB","url":"https://github.com/micronaut-projects/micronaut-core/commit/6e88a972718d6e1521c5b3bb7766451798dba4e3"},{"type":"WEB","url":"https://github.com/micronaut-projects/micronaut-core/commit/c06a2715ca7f78321bc3ca05f41cca78cd351320"},{"type":"WEB","url":"https://github.com/micronaut-projects/micronaut-core/commit/f1dffffec8fb5e3b7e94ae907ce0be3831e499d4"},{"type":"PACKAGE","url":"https://github.com/micronaut-projects/micronaut-core"}],"affected":[{"package":{"name":"io.micronaut:micronaut-http-client","ecosystem":"Maven","purl":"pkg:maven/io.micronaut/micronaut-http-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.7"}]}],"versions":["1.0.0","1.0.0.RC3","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.1.0","1.1.0.M1","1.1.0.M2","1.1.0.RC1","1.1.0.RC2","1.1.1","1.1.2","1.1.3","1.1.4","1.2.0","1.2.0.RC1","1.2.0.RC2","1.2.1","1.2.10","1.2.11","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","1.3.0","1.3.0.M1","1.3.0.M2","1.3.0.RC1","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","2.0.0","2.0.0.M1","2.0.0.M2","2.0.0.M3","2.0.0.RC1","2.0.0.RC2","2.0.1","2.0.2","2.0.3","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.2.0","2.2.1","2.2.2","2.2.3","2.3.0","2.3.1","2.3.2","2.3.3","2.3.4","2.4.0","2.4.1","2.4.2","2.4.3","2.4.4","2.5.0","2.5.1","2.5.10","2.5.11","2.5.12","2.5.13","2.5.2","2.5.3","2.5.4","2.5.5","2.5.6","2.5.7","2.5.8","2.5.9","3.0.0","3.0.0-M1","3.0.0-M2","3.0.0-M3","3.0.0-M4","3.0.0-M5","3.0.0-RC1","3.0.1","3.0.2","3.0.3","3.1.0","3.1.1","3.1.2","3.1.3","3.1.4","3.10.0","3.10.1","3.10.2","3.10.3","3.10.4","3.10.5","3.10.6","3.2.0","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.3.0","3.3.0-M1","3.3.1","3.3.2","3.3.3","3.3.4","3.4.0","3.4.1","3.4.2","3.4.3","3.4.4","3.5.0","3.5.1","3.5.2","3.5.3","3.5.4","3.5.5","3.5.6","3.5.7","3.6.0","3.6.1","3.6.2","3.6.3","3.6.4","3.6.5","3.6.6","3.7.0","3.7.1","3.7.2","3.7.3","3.7.4","3.7.5","3.7.6","3.7.7","3.8.0","3.8.1","3.8.10","3.8.11","3.8.12","3.8.13","3.8.14","3.8.15","3.8.2","3.8.3","3.8.4","3.8.5","3.8.6","3.8.7","3.8.8","3.8.9","3.9.0","3.9.1","3.9.2","3.9.3","3.9.4","3.9.5","3.9.6","3.9.7"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-387m-935m-c4vw/GHSA-387m-935m-c4vw.json"}},{"package":{"name":"io.micronaut:micronaut-http-client","ecosystem":"Maven","purl":"pkg:maven/io.micronaut/micronaut-http-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0-M1"},{"fixed":"4.10.24"}]}],"versions":["4.0.0","4.0.0-M1","4.0.0-M2","4.0.0-M3","4.0.0-M4","4.0.0-M5","4.0.0-M6","4.0.0-M7","4.0.0-RC1","4.0.0-RC2","4.0.0-RC3","4.0.0-RC4","4.0.0-RC5","4.0.1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.1.0","4.1.1","4.1.10","4.1.11","4.1.12","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1.7","4.1.8","4.1.9","4.10.0","4.10.1","4.10.10","4.10.11","4.10.12","4.10.13","4.10.14","4.10.15","4.10.16","4.10.17","4.10.18","4.10.19","4.10.2","4.10.20","4.10.21","4.10.22","4.10.23","4.10.3","4.10.4","4.10.5","4.10.6","4.10.7","4.10.8","4.10.9","4.2.0","4.2.1","4.2.2","4.2.3","4.2.4","4.3.0","4.3.1","4.3.10","4.3.11","4.3.12","4.3.13","4.3.14","4.3.15","4.3.16","4.3.17","4.3.2","4.3.3","4.3.4","4.3.5","4.3.6","4.3.7","4.3.8","4.3.9","4.4.0","4.4.1","4.4.10","4.4.2","4.4.3","4.4.4","4.4.5","4.4.6","4.4.7","4.4.8","4.4.9","4.5.0","4.5.1","4.5.2","4.5.3","4.5.4","4.6.0","4.6.1","4.6.2","4.6.3","4.6.4","4.6.5","4.6.6","4.6.7","4.6.8","4.7.0","4.7.1","4.7.10","4.7.11","4.7.12","4.7.13","4.7.14","4.7.15","4.7.16","4.7.17","4.7.18","4.7.19","4.7.2","4.7.20","4.7.21","4.7.22","4.7.23","4.7.24","4.7.25","4.7.26","4.7.27","4.7.3","4.7.4","4.7.5","4.7.6","4.7.7","4.7.8","4.7.9","4.8.0","4.8.1","4.8.10","4.8.11","4.8.12","4.8.13","4.8.14","4.8.15","4.8.16","4.8.17","4.8.18","4.8.19","4.8.2","4.8.3","4.8.4","4.8.5","4.8.6","4.8.7","4.8.8","4.8.9","4.9.0","4.9.1","4.9.10","4.9.11","4.9.12","4.9.2","4.9.3","4.9.4","4.9.5","4.9.6","4.9.7","4.9.8","4.9.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-387m-935m-c4vw/GHSA-387m-935m-c4vw.json"}},{"package":{"name":"io.micronaut:micronaut-http-client","ecosystem":"Maven","purl":"pkg:maven/io.micronaut/micronaut-http-client"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0-M1"},{"fixed":"5.0.1"}]}],"versions":["5.0.0","5.0.0-M1","5.0.0-M10","5.0.0-M11","5.0.0-M12","5.0.0-M13","5.0.0-M14","5.0.0-M15","5.0.0-M16","5.0.0-M17","5.0.0-M18","5.0.0-M19","5.0.0-M2","5.0.0-M20","5.0.0-M21","5.0.0-M22","5.0.0-M23","5.0.0-M24","5.0.0-M25","5.0.0-M26","5.0.0-M3","5.0.0-M4","5.0.0-M5","5.0.0-M6","5.0.0-M7","5.0.0-M8","5.0.0-M9","5.0.0-RC1","5.0.0-RC2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/07/GHSA-387m-935m-c4vw/GHSA-387m-935m-c4vw.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}