Encountering login issues using Brave Browser on certain websites

Description of the issue:
Some websites treat Brave differently when logging on to certain websites. The websites that I’ve encountered this problem so far are YouTube and Lidl.

When logging on to YouTube, sometimes I get the message:

Couldn’t sign you in
This browser or app may not be secure. Learn more
Try using a different browser. If you’re already using a supported browser, you can try again to sign in.

It would take at least 1 more try logging in and at most 3 attempts to the YouTube account before I can log on as normal.

For Lidl, once I log on to my account, it asks me to select certain images to check to see that I’m not a bot.

Exact URL of the website in question:

Did the issue present with default Shields settings? (yes/no)
Yes.

Does the site function as expected when Shields are turned off?
No.

Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no):
Not sure.

Does the site work as expected when using Chrome?
Yes.

Brave version (check About Brave):
Brave 1.80.113 (Official Build) (64-bit)

I also had this happen to me with the Petco website. When I was trying to log on to my account, it would tell me that my access was blocked, but now it works. However, when opening a tab on a private window, it produced the same problem and using Brave Beta also wouldn’t work. It’s inconsistent but I felt was noteworthy to share.

@J.O.S thanks for reporting. Can you update to the latest version and let me know if it’s still an issue?

Hi @steeven. I manually updated both the full and beta versions of Brave and nothing seemed to change.

For some reason accessing the login page for Petco in a private window shows the access is blocked for both browsers, but not on a normal window. I don’t think that this has to do with updating the browsers. This is something that anyone using Brave could try since it doesn’t require having an account on their website.

Which extensions installed? I don’t have a login for lidl, but youtube seems fine here

I don’t have any extensions installed.