CVE-2026-82744 Ash.Reactor change step fails open, skipping a change when its where guard raises

Not Failing Securely Failing Open vulnerability in ash-project ash skips an Ash.Reactor change when the guard controlling it raises, so a change meant to run does not. An Ash.Reactor change step can be gated by where validations that decide whether the change runs. Ash.Reactor.ChangeStep...

CVE-2026-82744

ash-project ash (Elixir library) contains a Failing Open vulnerability in Ash.Reactor.ChangeStep (lib/ash/reactor/steps/change_step.ex). When a where guard controlling a change step raises an exception (e.g., on attacker-influenced input), the rescue in apply_validation converts it to {:error, er...