GHSA-34FF-336R-5Q23 n8n: Domain-Restriction Bypass via Unguarded Model-Search Endpoint in OpenAI Chat Model Node

Impact The OpenAI Chat Model node checked a custom base URL against the credential's allowed-domains configuration before sending a request, but the model-search dropdown did not. A request setting options.baseURL on that path reached an arbitrary host with the credential attached, so the domain...