CVE-2026-83494: A flaw was found in the training-operator. An incorrect object casting in the PyTorchJob ValidateUpdate webhook allows u

A flaw was found in the training-operator. An incorrect object casting in the PyTorchJob ValidateUpdate webhook allows users to bypass an immutability check. This vulnerability could enable users to detach a queued job from its quota management system or hijack a running job's controller ownership. The primary impact is a Denial of Service (DoS) condition.