truman
October 24, 2025, 7:59am
1
version:v3.5.1https://www.example.com/forum https://www.example.com
Logging in from a non-homepage does not have this issue.
log
Processing by StaticController#enter as HTML Parameters: {"username"=>"****", "password"=>"[FILTERED]", "redirect"=>"https://www.example.com/forum/login"} Redirected to https://www.example.com/
1 Like
pmusaraj
October 24, 2025, 1:44pm
2
Thanks for the report, we will look into it soonish.
2 Likes
I have the same issue. Version: 3.6.0.beta3
1 Like
Magnetidog
December 10, 2025, 7:24pm
6
We are experiencing the same issue after installing 2025.12.0-latest.
@here sorry about that, I think I managed to reproduce and fix the issue
main ← login-redirect-and-subfolder-equals-boom
opened 10:46PM - 10 Dec 25 UTC
When Discourse is served from a subfolder (e.g., /forum), logging in from the lo… gin page itself would incorrectly redirect users to the root domain (/) instead of the subfolder root (/forum/).
The issue had two causes:
1. The login path check in `extract_redirect_param` used the Rails `login_path` helper which returns "/login" without the subfolder prefix. When the browser sent the full path "/forum/login", the check `starts_with?("/login")` failed to match, treating it as a valid redirect target instead of rejecting it.
2. The `enter` method didn't apply the subfolder prefix when falling back to the root path "/".
Fixed by:
- Building the full login path with `Discourse.base_path` for accurate matching in subfolder setups
- Wrapping the fallback "/" with `path()` in `enter` to respect the subfolder configuration
- Extracting redirect validation into `valid_redirect_uri?` for clarity
Ref - meta/t/386619
3 Likes
zogstrip
December 12, 2025, 7:00am
8
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