{"cve":"CVE-2025-9467","nvd":{"published":"2025-09-04T10:42:34.793","modified":"2026-10-18T21:10:00.120","status":"Deferred","description":"When the Vaadin Upload's start listener is used to validate metadata about an incoming upload, it is possible to bypass the upload validation. \n\n\nUsers of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include:\n\nProduct version\nVaadin 7.0.0 - 7.7.47\nVaadin 8.0.0 - 8.28.1\nVaadin 14.0.0 - 14.13.0\nVaadin 23.0.0 - 23.6.1\nVaadin 24.0.0 - 24.7.6\n\nMitigation\nUpgrade to 7.7.48\nUpgrade to 8.28.2\nUpgrade to 14.13.1\nUpgrade to 23.6.2\nUpgrade to 24.7.7 or newer\n\nPlease note that Vaadin versions 10-13 and 15-22 are no longer supported and you should update either to the latest 14, 23, 24 version.\n\nArtifacts     Maven coordinatesVulnerable versionsFixed versioncom.vaadin:vaadin-server\n7.0.0 - 7.7.47\n≥7.7.48\ncom.vaadin:vaadin-server\n8.0.0 - 8.28.1\n≥8.28.2\ncom.vaadin:vaadin\n14.0.0 - 14.13.0\n≥14.13.1\ncom.vaadin:vaadin23.0.0 - 23.6.1\n≥23.6.2\ncom.vaadin:vaadin24.0.0 - 24.7.6\n≥24.7.7com.vaadin:vaadin-upload-flow\n2.0.0 - 14.13.0\n≥14.13.1\ncom.vaadin:vaadin-upload-flow\n23.0.0 - 23.6.1\n≥23.6.2\ncom.vaadin:vaadin-upload-flow\n24.0.0 - 24.7.6\n≥24.7.7","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:D/RE:L/U:Green","score":5.3},"cvss_v3":null,"cwes":["CWE-20"],"references":["https://vaadin.com/security/cve-2025-9467"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2025-9467","score":0.00393,"percentile":0.33212,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-9gfh-4fwj-w3rj","url":"https://osv.dev/vulnerability/GHSA-9gfh-4fwj-w3rj","summary":"Vaadin Framework possible file bypass via upload validation on the server-side","modified":"2026-09-10T03:50:28.325392671Z","packages":[{"ecosystem":"Maven","name":"com.vaadin:vaadin-server","purl":"pkg:maven/com.vaadin/vaadin-server","ranges":[">=7.0.0 <7.7.48"],"fixed":["7.7.48"]},{"ecosystem":"Maven","name":"com.vaadin:vaadin-server","purl":"pkg:maven/com.vaadin/vaadin-server","ranges":[">=8.0.0 <8.28.2"],"fixed":["8.28.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}