CVE-2019-14802: Exposure of Sensitive Information to an Unauthorized Actor

HashiCorp Nomad 0.5.0 through 0.9.4 fixed in 0.9.5 reveals unintended environment variables to the rendering task during template rendering, aka GHSA-6hv3-7c34-4hx8. This applies to nomad/client/allocrunner/taskrunner/template...