{"id":"GHSA-pfc9-2cqg-9wq6","summary":"Reactor Netty HTTP Client Leaks Credentials On Protocol Downgrade Redirect","details":"In specific scenarios involving HTTP redirects from a secure to an insecure endpoint, the Reactor Netty HTTP client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.\n\nAffected versions:\nReactor Netty 1.0.0 through 1.0.51; 1.1.0 through 1.1.35; 1.2.0 through 1.2.17; 1.3.0 through 1.3.5.","aliases":["CVE-2026-41715"],"modified":"2026-07-29T18:41:44.732177Z","published":"2026-06-09T06:31:57Z","database_specific":{"nvd_published_at":"2026-06-09T05:16:35Z","cwe_ids":["CWE-522"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-07-29T18:18:20Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41715"},{"type":"WEB","url":"https://github.com/reactor/reactor-netty/commit/e7ef551eead84ba465324531683fafa03ab96ee9"},{"type":"PACKAGE","url":"https://github.com/reactor/reactor-netty"},{"type":"WEB","url":"https://github.com/reactor/reactor-netty/releases/tag/v1.2.18"},{"type":"WEB","url":"https://github.com/reactor/reactor-netty/releases/tag/v1.3.6"},{"type":"WEB","url":"https://spring.io/security/cve-2026-41715"}],"affected":[{"package":{"name":"io.projectreactor.netty:reactor-netty","ecosystem":"Maven","purl":"pkg:maven/io.projectreactor.netty/reactor-netty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0"},{"fixed":"1.3.6"}]}],"versions":["1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-pfc9-2cqg-9wq6/GHSA-pfc9-2cqg-9wq6.json","last_known_affected_version_range":"\u003c= 1.3.5"}},{"package":{"name":"io.projectreactor.netty:reactor-netty","ecosystem":"Maven","purl":"pkg:maven/io.projectreactor.netty/reactor-netty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.2.0"},{"fixed":"1.2.18"}]}],"versions":["1.2.0","1.2.1","1.2.10","1.2.11","1.2.12","1.2.13","1.2.14","1.2.15","1.2.16","1.2.17","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.2.17","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-pfc9-2cqg-9wq6/GHSA-pfc9-2cqg-9wq6.json"}},{"package":{"name":"io.projectreactor.netty:reactor-netty","ecosystem":"Maven","purl":"pkg:maven/io.projectreactor.netty/reactor-netty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.0"},{"last_affected":"1.1.31"}]}],"versions":["1.1.0","1.1.1","1.1.10","1.1.11","1.1.12","1.1.13","1.1.14","1.1.15","1.1.16","1.1.17","1.1.18","1.1.19","1.1.2","1.1.20","1.1.21","1.1.22","1.1.23","1.1.24","1.1.25","1.1.26","1.1.27","1.1.28","1.1.29","1.1.3","1.1.30","1.1.31","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-pfc9-2cqg-9wq6/GHSA-pfc9-2cqg-9wq6.json"}},{"package":{"name":"io.projectreactor.netty:reactor-netty","ecosystem":"Maven","purl":"pkg:maven/io.projectreactor.netty/reactor-netty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"last_affected":"1.0.48"}]}],"versions":["1.0.0","1.0.1","1.0.10","1.0.11","1.0.12","1.0.13","1.0.14","1.0.15","1.0.16","1.0.17","1.0.18","1.0.19","1.0.2","1.0.20","1.0.21","1.0.22","1.0.23","1.0.24","1.0.25","1.0.26","1.0.27","1.0.28","1.0.29","1.0.3","1.0.30","1.0.31","1.0.32","1.0.33","1.0.34","1.0.35","1.0.36","1.0.37","1.0.38","1.0.39","1.0.4","1.0.40","1.0.41","1.0.42","1.0.43","1.0.44","1.0.45","1.0.46","1.0.47","1.0.48","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-pfc9-2cqg-9wq6/GHSA-pfc9-2cqg-9wq6.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}