{"id":"CVE-2026-47892","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-47892","summary":"Spring Framework Header Predicate Bypass in WebFlux Functional Endpoints","details":"A WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header predicate bypass in a pre-flight request.\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19\nSpring Framework 6.1.0 - 6.1.28\nSpring Framework 6.0.0 - 6.0.30\nSpring Framework 5.3.0 - 5.3.49\nSpring Framework 5.2.5.RELEASE - 5.2.25.RELEASE","published":"2026-08-27T06:31:34Z","modified":"2026-10-07T13:30:04.846318405Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework:spring-webflux","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework:spring-webflux","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework:spring-webflux","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework:spring-webflux","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework:spring-webflux","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework:spring-webflux","fixedVersion":"7.0.9"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47892"},{"type":"PACKAGE","url":"https://github.com/spring-projects/spring-framework"},{"type":"WEB","url":"https://spring.io/security/cve-2026-47892"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-07T13:30:04.846318405Z"}}