djust 1.2.7

Stable Security Released
GitHub release PyPI
Install 
pip install djust==1.2.7

Part of djust 1.2 — read the 1.2 release notes.

A 1.2 patch release that includes security fixes; upgrading from 1.2.6 is recommended.

Fixed

  • The HTTP POST fallback no longer drops push_event, set_layout and defer() (#3541). An event answered over HTTP carried only flash and page metadata. Its JSON answer now also carries _push_events ({event, payload} per push_event / push_commands) and _layout ({path, html} for set_layout), and defer() callbacks run after the answer is built, as on the WebSocket. The client dispatches each push event (djust:push_event and the dj-hook handlers) and applies the layout, as the WebSocket push_event / layout cases do. 10 regression cases in python/tests/test_http_side_channels_push_layout_defer.py, plus tests/js/http-side-channels-push-layout-3541.test.js for the client.
  • SSE pages ignored set_layout(). The server sends the layout frame from the shared turn end, so it reaches SSE pages too, but the SSE transport had no case for it and dropped it as an unknown frame. It now swaps the layout as the WebSocket transport does. Covered by tests/js/sse_layout_frame.test.js, which runs on both transports.
  • Dependencies updated to patched versions. The locked Python packages (certifi, msgpack, pyasn1, setuptools, twisted, autobahn), the Rust crates (pulldown-cmark, tokio) and the JavaScript dev tooling (vitest, happy-dom and their dependencies) now resolve to releases that carry the fixes for their published security advisories. No djust code changed.

Security

  • Credential form fields are no longer pre-filled from the stored value in FormMixin state. A form field is seeded empty when it is on the serialization floor and it is credential-like. On the floor means: a password-input field; the built-in password; a name listed in DJUST_SENSITIVE_FIELDS or djust_exclude_fields; a field outside a djust_serializable_fields allowlist; or a column of an excluded field type. Credential-like means: a password widget, a name such as password, token, secret or key, or an excluded field type. A custom column that is not on the floor is unchanged: list it in DJUST_SENSITIVE_FIELDS to have it covered, the same as for {{ obj.field }}. On an edit form, a blank submission (absent, empty, whitespace-only, None or another falsy value) keeps the stored column, so clearing such a column now needs explicit code; a typed value still writes. Saved state from earlier versions is cleaned on restore, validation messages for these fields are generic, and after a valid UserCreationForm submit the password fields in form state are empty. A FormMixin view with no form_class now reads credential-like keys (token, key, pin, hash, ...) from get_field_value() as empty. Sessions and snapshots written by earlier versions are not rewritten until their next save. Regression cases in python/tests/test_form_data_sensitive_fields.py.
  • A native component handler uses an explicitly passed argument as given. The nine native handlers data_table (rows, columns), breadcrumb, stepper, dj_select, dj_radio, autocomplete, dependent_select, toast_container and form_errors now consult the render context for an argument only when it was not passed, so an explicit argument (including an empty one) wins over a context variable of the same name, as it does in the Python tag. toast_container now also honours its toasts= and dismiss_event= arguments.
  • Per-model serialization settings are honoured for lazily wrapped model instances. djust_exclude_fields, djust_serializable_fields, djust_serialize_sensitive_fields, a model-level to_dict() and the field-type exclusion (BinaryField) now apply to a model held in a SimpleLazyObject or another transparent object proxy the same way as to the bare instance. The wrapper is resolved once.
  • Custom tag handlers that resolve dotted names no longer see underscore-prefixed attributes of a model or queryset handle. The template handles for models and querysets now refuse single-underscore names (as template resolution already does) and keep the protocol names reachable. A handle can be copied with copy / deepcopy but is no longer picklable: pickling a render context that holds one raises TypeError.
  • Row-click navigation targets and mount URLs are normalised before they are checked. The data table's row navigation script and validate_mount_url now apply the browser's URL normalisation (tabs and newlines removed, backslash read as a slash) before the same-site test, through one definition in djust.security.urls. Absolute http(s) row URLs are still followed.

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