vaadin vulnerability

What happened

The default configuration of a TreeGrid component uses Object::toString as a key on the client-side and server communication in Vaadin 14.8.5 through 14.8.9, 22.0.6 through 22.0.14, 23.0.0.beta2 through 23.0.8 and 23.1.0.alpha1 through 23.1.0.alpha4, resulting in potential information disclosure of values that should not be available on the client-side.

Affected versions

vaadin: 14.8.5 through 14.8.9 (maven); 22.0.6 through 22.0.14 (maven); 23.0.0.beta2 through 23.0.8 (maven); 23.1.0.alpha1 through before 23.1.0.beta1 (maven) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.