Echo: Static Middleware Double-Unescape Path Traversal

{
                    "vendor": "labstack",
                    "product": "echo",
                    "versions": [
                        {
                            "version": ">= 5.0.0, < 5.2.0",
                            "status": "affected"
                        },
                        {
                            "version": "< 4.15.3",
                            "status": "affected"
                        }
                    ]
                }