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Possible information disclosure inside TreeGrid component with default data provider

Medium (Base score 5.7) CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CVE entry:


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.

See CWE-200, Exposure of Sensitive Information to an Unauthorized Actor

Affected products and mitigation

Users of affected versions should apply the following mitigation or upgrade. Releases that have fixed this issue include:

Product version Mitigation
Vaadin 14.8.5 - 14.8.9 Upgrade to 14.8.10
Vaadin 22.0.6 - 22.0.14 Upgrade to 22.0.15
Vaadin 23.0.0.beta2 - 23.0.8 Upgrade to 23.0.9
Vaadin 23.1.0.alpha1 - 23.1.0.alpha4 Upgrade to 23.1.0.beta1

Vulnerable artifacts

Maven coordinates Vulnerable version Fixed version
com.vaadin:vaadin-grid-flow 14.8.5 - 14.8.9 ≥14.8.10
com.vaadin:vaadin-grid-flow 22.0.6 - 22.0.14 ≥22.0.15
com.vaadin:vaadin-grid-flow 23.0.0.beta2 - 23.0.8 ≥23.0.9
com.vaadin:vaadin-grid-flow 23.1.0.alpha1 - 23.1.0.alpha4 ≥23.1.0.beta1


This issue was discovered and responsibly reported by Christian "Knoobie" Knoop.



  • 2022-05-24: Initial vulnerability report published