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Area

login/ui

Describe the bug

When attempting to submit the login form without entering a username, the form displays the validation error message “Please specify username.” twice. This results in two identical error messages appearing either stacked or duplicated in the UI.

<img width="921" alt="Image" src="https://github.com/user-attachments/assets/38107ba5-b20f-4919-9865-214ce500aaa8" />

Version

26.2.4

Regression

[x] The issue is a regression

Expected behavior

Only one validation error message “Please specify username.” should be shown.

Actual behavior

The message “Please specify username.” appears twice.

How to Reproduce?

1. Create a authentication flow using "Username Form"
2. Go to the Keycloak login page.
3. Leave the Username field empty.
5. Click the Log in button.
6. Observe the validation error message.

Anything else?

Was working ias expected n version 25.0.6