MEDIUM
GHSA-9gfh-4fwj-w3rj
Vaadin Framework possible file bypass via upload validation on the server-side
Quick fix
GHSA-9gfh-4fwj-w3rj — com.vaadin:vaadin-server: upgrade to the fixed version with the command below.
# pom.xml: bump <version>7.7.48</version> for com.vaadin:vaadin-serverDetails
### 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. Users of affected versions should apply the upgrade to a more recent Vaadin version.
Are you affected?
Enter the version of the package you're using.
Affected packages
Maven/com.vaadin:vaadin-server
Introduced in:
7.0.0Fixed in: 7.7.48Fix
# pom.xml: bump <version>7.7.48</version> for com.vaadin:vaadin-serverMaven/com.vaadin:vaadin-server
Introduced in:
8.0.0Fixed in: 8.28.2Fix
# pom.xml: bump <version>8.28.2</version> for com.vaadin:vaadin-serverReferences
- https://github.com/vaadin/framework/security/advisories/GHSA-9gfh-4fwj-w3rj[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2025-9467[ADVISORY]
- https://github.com/vaadin/flow-components/pull/7616[WEB]
- https://github.com/vaadin/flow-components/commit/bfe9e507cdcc5d90a2312c8f0162f798a29ba635[WEB]
- https://github.com/vaadin/framework[PACKAGE]
- https://vaadin.com/security/cve-2025-9467[WEB]