Answer in brief
CVE-2025-9467 records a Unknown severity vulnerability in Vaadin Framework possible file bypass via upload validation on the server-side. The current sources do not mark it as known exploited. The current feed maps com.vaadin:vaadin-server (maven), com.vaadin:vaadin-server (maven). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps com.vaadin:vaadin-server (maven), com.vaadin:vaadin-server (maven). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| com.vaadin:vaadin-servermaven | >=7.0.0 <7.7.48 | 7.7.48 |
| com.vaadin:vaadin-servermaven | >=8.0.0 <8.28.2 | 8.28.2 |
Published upstream
Sep 4, 2025
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
### 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.
Quoted source text, attributed separately from HOL analysis.