📄 Vaadin 25.x Authentication Bypass

An authentication bypass affects Vaadin versions 6.8.13, 14.x, 23.x, 24.x, and 25.x when used with Spring Security, due to inconsistent path pattern matching on reserved framework routes. Accessing the /VAADIN endpoint without a trailing slash can bypass security filters, allowing unauthenticated...

EUVD-2026-10498

An authentication bypass vulnerability exists in Vaadin 14.0.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 through 24.9.7 and 25.0.0 through 25.0.1, applications using Spring Security due to inconsistent path pattern matching of reserved framework paths. Accessing the /VAADIN endpoint without ...

GHSA-RJGH-WGC7-M37J Vaadin Vulnerable to Authentication Bypass When Accessing the /VAADIN Endpoint Without a Trailing Slash

An authentication bypass vulnerability exists in Vaadin 14.0.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 through 24.9.7 and 25.0.0 through 25.0.1, applications using Spring Security due to inconsistent path pattern matching of reserved framework paths. Accessing the /VAADIN endpoint without ...