Summary The predicted datapoint write endpoint allows users with only "read:assets" privileges to write predicted datapoints. The endpoint: PUT /api/{realm}/asset/predicted/{assetId}/{attributeName} accepts write requests from users lacking "write:assets". The implementation appears to check "READ_ASSETS" while performing a write operation through: assetPredictedDatapointService.updateValues(...) PoC A user was created with only: read:assets and without "write:assets". The following request succeeded: PUT /api/master/asset/predicted/4Fr8Pcp7iDjrEmoSUFolvT/temperature Request body: [{"x":1779199999001,"y":1337}] Response: HTTP/2 204 Database verification confirmed the datapoint was written successfully: entity_id: 4Fr8Pcp7iDjrEmoSUFolvT attribute_name: temperature value: 1337 Impact Users with read-only asset permissions can modify predicted datapoints for assets.