NL Portal Backend Libraries: Unauthenticated form resolver forwards the privileged Objecten-API token to a caller-supplied URL (SSRF)

{
                    "vendor": "nl-portal",
                    "product": "nl-portal-backend-libraries",
                    "versions": [
                        {
                            "version": ">= 1.1.0, < 3.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "= 3.1.0",
                            "status": "affected"
                        }
                    ]
                }