{"id":"CVE-2026-47889","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-47889","summary":"A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute.\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19","details":"A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute.\nSpring Framework 7.0.0 - 7.0.8\nSpring Framework 6.2.0 - 6.2.19","published":"2026-08-27T06:17:19.867","modified":"2026-08-27T17:18:38.767","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-47889"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T17:18:38.767"}}