Skip to content

Bugfix: websockets use incorrect pathname when deployed behind proxy #3813

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
KoolADE85 wants to merge 1 commit into
base: dev
Choose a base branch
from
+3 −2
Open

Bugfix: websockets use incorrect pathname when deployed behind proxy #3813

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).

### Fixed
- [#3805](https://github.com/plotly/dash/pull/3805) Fix FastAPI POST routes deadlock caused by middleware consuming request body. Fixes [#3801](https://github.com/plotly/dash/issues/3801).
- [#3813](https://github.com/plotly/dash/pull/3813) Fix websockets using incorrect path when deployed behind a proxy

## [4.2.0] - 2026-06-01 - *The Freedom Update*

Expand Down
2 changes: 1 addition & 1 deletion dash/backends/_fastapi.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -682,7 +682,7 @@ def serve_websocket_callback(self, dash_app: "Dash"):
dash_app: The Dash application instance
"""
# pylint: disable=too-many-statements,too-many-locals
ws_path = dash_app.config.requests_pathname_prefix + "_dash-ws-callback"
ws_path = dash_app.config.routes_pathname_prefix + "_dash-ws-callback"

# Get allowed origins from dash app config
allowed_origins = getattr(
Expand Down
2 changes: 1 addition & 1 deletion dash/backends/_quart.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -516,7 +516,7 @@ def serve_websocket_callback(self, dash_app: "Dash"):
dash_app: The Dash application instance
"""
# pylint: disable=too-many-statements,too-many-locals
ws_path = dash_app.config.requests_pathname_prefix + "_dash-ws-callback"
ws_path = dash_app.config.routes_pathname_prefix + "_dash-ws-callback"
# pylint: disable=protected-access
allowed_origins = getattr(dash_app, "_websocket_allowed_origins", [])

Expand Down
Loading