{"schemaVersion":3,"id":"CVE-2026-47889","aliases":["UBUNTU-CVE-2026-47889"],"status":"published","duplicateOf":null,"title":null,"description":"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","dates":{"published":"2026-08-27T05:21:37.305Z","modified":"2026-08-27T14:57:20.579Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","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","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","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","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00428,"percentile":0.35708,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.175,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00253},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00428,"percentile":0.35708}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00253,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00428,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00428,"percentile":0.35708}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-1275","name":"Sensitive Cookie with Improper SameSite Attribute","description":"The SameSite attribute for sensitive cookies is not set, or an insecure value is used.","type":"weakness","status":"Incomplete","abstraction":"Variant","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/1275.html"}],"affected":[{"vendor":"ubuntu","product":"libspring-java","name":"libspring-java","label":"libspring-java","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libspring-java","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"spring","product":"spring framework","name":"Spring Framework","label":"spring framework","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.0.0, ≤ 7.0.8","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.2.0, ≤ 6.2.19","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.0.0, ≤ 7.0.8 | ≥ 6.2.0, ≤ 6.2.19","eol":null,"hubHref":"/vendor/spring/spring_framework"},{"vendor":"vmware","product":"spring_framework","name":"Spring Framework","label":"spring_framework","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 6.2.0, < 6.2.20","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0.0, < 7.0.8.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 6.2.0, < 6.2.20 | ≥ 7.0.0, < 7.0.8.1","eol":null,"hubHref":"/vendor/vmware/spring_framework"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://spring.io/security/cve-2026-47889","label":"spring.io/security/cve-2026-47889","hostname":"spring.io","tags":["REPORT","Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-47889","label":"ubuntu.com/security/CVE-2026-47889","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-47889","label":"www.cve.org/CVERecord?id=CVE-2026-47889","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-08-27T05:21:37.305Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-27T14:57:20.579Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T17:37:46.065Z","stale":false,"partial":false}}