CVE-2025-9467
September 04, 2025
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 following mitigation or upgrade. Releases that have fixed this issue include:
Product version
Vaadin 7.0.0 - 7.7.47
Vaadin 8.0.0 - 8.28.1
Vaadin 14.0.0 - 14.13.0
Vaadin 23.0.0 - 23.6.1
Vaadin 24.0.0 - 24.7.6
Mitigation
Upgrade to 7.7.48
Upgrade to 8.28.2
Upgrade to 14.13.1
Upgrade to 23.6.2
Upgrade to 24.7.7 or newer
Please 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.
Artifacts Maven coordinatesVulnerable versionsFixed versioncom.vaadin:vaadin-server
7.0.0 - 7.7.47
≥7.7.48
com.vaadin:vaadin-server
8.0.0 - 8.28.1
≥8.28.2
com.vaadin:vaadin
14.0.0 - 14.13.0
≥14.13.1
com.vaadin:vaadin23.0.0 - 23.6.1
≥23.6.2
com.vaadin:vaadin24.0.0 - 24.7.6
≥24.7.7com.vaadin:vaadin-upload-flow
2.0.0 - 14.13.0
≥14.13.1
com.vaadin:vaadin-upload-flow
23.0.0 - 23.6.1
≥23.6.2
com.vaadin:vaadin-upload-flow
24.0.0 - 24.7.6
≥24.7.7
Affected Packages
https://github.com/vaadin/flow-components.git (GITHUB):
Affected version(s) >=14.4.0 <14.13.1Fix Suggestion:
Update to version 14.13.1https://github.com/vaadin/flow-components.git (GITHUB):
Affected version(s) >=23.0.0 <23.6.2Fix Suggestion:
Update to version 23.6.2https://github.com/vaadin/flow-components.git (GITHUB):
Affected version(s) >=24.0.0 <24.7.7Fix Suggestion:
Update to version 24.7.7com.vaadin:vaadin-server (JAVA):
Affected version(s) >=8.0.0 <8.28.2Fix Suggestion:
Update to version 8.28.2com.vaadin:vaadin-server (JAVA):
Affected version(s) >=7.0.0 <7.7.48Fix Suggestion:
Update to version 7.7.48com.vaadin:vaadin-upload-flow (JAVA):
Affected version(s) >=2.0.0 <14.13.1Fix Suggestion:
Update to version 14.13.1com.vaadin:vaadin-upload-flow (JAVA):
Affected version(s) >=24.0.0 <24.7.7Fix Suggestion:
Update to version 24.7.7com.vaadin:vaadin-upload-flow (JAVA):
Affected version(s) >=23.0.0 <23.6.2Fix Suggestion:
Update to version 23.6.2Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
EPSS
Base Score:
0.09