Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.
| Software | From | Fixed in |
|---|---|---|
com.vaadin / vaadin-bom
|
19.0.0 | 19.0.0.x |
com.vaadin / vaadin-bom
|
19.0.0 | 19.0.1 |
com.vaadin / vaadin-bom
|
15.0.0 | 18.0.7 |