github-actions[bot] opened a new pull request, #75817:
URL: https://github.com/apache/airflow/pull/75817

   * Scope asset expressions to the assets the caller may read
   
   `next_run_assets` scopes the asset scheduling expression it serves to the
   assets the caller may read (#72864), and the dependencies graph followed
   (#73008). Four endpoints still served `DagModel.asset_expression` verbatim:
   the public Dag details endpoint, the UI Dag list, and both partitioned Dag
   run endpoints. A caller authorized on a Dag but not on its upstream assets
   could read every name and uri out of them, and the public endpoint needs no
   UI to reach. Asset names and uris commonly encode bucket, table or dataset
   names, which is why the rest of the asset API already scopes them.
   
   The sibling `assets` array of the pending partitioned Dag run response
   carries the same names; scoping that is a separate change with its own UI
   consumers.
   
   * UI: Scope partitioned Dag run asset list to readable assets
   
   The pending partitioned Dag run detail response carries two asset-bearing
   fields. `asset_expression` is scoped to the assets the caller may read; the
   sibling `assets` array was not, so one payload could blank an asset inside 
the
   boolean tree while spelling its name and uri out one key over. That defeated
   the redaction on this route, and the route's own asset dependency only checks
   whether the caller may read assets at all -- there is no asset id in its path
   for it to authorize against.
   
   The counts and partition keys of a blanked asset are kept. They describe the
   Dag's own schedule, which a caller who reached this endpoint can already 
read,
   and dropping them would leave a stuck run with no explanation at all.
   
   This endpoint is served only to the UI: the public v2 spec regenerates
   byte-identical, and no airflow-ctl model references the response.
   (cherry picked from commit a462d683469bb9f55646b0515ef84c41e16650fb)
   
   Co-authored-by: Henry Chen <[email protected]>


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