{"id":"CVE-2026-47889","title":"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","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","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-1275"],"vendor":"vmware","product":"spring_framework","affected":["spring_framework >= 6.2.0, < 6.2.20","spring_framework >= 7.0.0, < 7.0.8.1"],"patched":["spring_framework 7.0.8.1"],"published":"2026-08-27","updated":"2026-09-10","sourceUpdated":"2026-09-10T14:48:04.053","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47889","references":[{"url":"https://spring.io/security/cve-2026-47889","label":"security@vmware.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-08-27T14:56:53.721017Z"},"ingestedAt":"2026-09-13T19:57:54.615Z","epss":0.00253,"epssPercentile":0.17032,"slug":"CVE-2026-47889","body":"## Overview\n\nA 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\n\n## Affected\n\n- `spring_framework >= 6.2.0, < 6.2.20`\n- `spring_framework >= 7.0.0, < 7.0.8.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `spring_framework 7.0.8.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}