GHSA-xj53-j257-hxvg: OpenRemote read-only asset users can write predicted datapoints

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.