CVE-2026-82746 Ash.update_many/4 atomic path skips resource policy authorization, allowing updates to forbidden records

Missing Authorization vulnerability in ash-project ash allows an actor to update records forbidden by resource policies through the atomic path of Ash.updatemany/4. Ash.updatemany/4 runs as a single atomic statement a data-layer updatemany, for example a SQL MERGE whenever an atomic strategy is...