fat-catTW opened a new pull request, #69764:
URL: https://github.com/apache/airflow/pull/69764
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## Why:
Asset state store entries are scoped to assets, but execution API task
tokens should not be able to access every active asset.
Previously, any task with a valid execution token could read or mutate state
for unrelated assets. This made asset state store access broader than the
task's declared asset relationships.
## Solution:
Restrict the execution API asset state store routes so task tokens can only
access assets registered to that task as an inlet or outlet.
The routes now check `TaskInletAssetReference` and
`TaskOutletAssetReference` before allowing GET, PUT, DELETE, or CLEAR
operations. Unregistered task access returns `403 Forbidden`.
Watcher writes keep using the existing non-task path because watcher tokens
are not backed by task instances.
Tests cover forbidden access for unregistered tasks and allowed access for
inlet/outlet-registered tasks.
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