| Package | Affected versions | Patched versions |
|---|---|---|
| com.vaadin:vaadin-bom | ≥ 14.0.0, < 14.4.3≥ 15.0.0, < 18.0.0 | 14.4.318.0.0 |
Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.
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