CVE-2018-25007: Vaadin Flow

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Missing check in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.5 (Vaadin 10.0.0 through 10.0.7, and 11.0.0 through 11.0.2) allows attacker to update element property values via crafted synchronization message.

Affected products

• Vaadin Flow: from 1.0.0, before 1.0.6 (fixed in 1.0.6)
• Vaadin Vaadin: from 10.0.0, before 10.0.8 (fixed in 10.0.8); from 11.0.0, before 11.0.3 (fixed in 11.0.3)

Published 2021-04-23. Last modified 2026-06-17.