Fix Shadow API Exposure in Iris
Shadow APIs are undocumented, unmonitored endpoints that exist outside the security perimeter, often left behind as debug tools or legacy artifacts. In Iris, these typically manifest as top-level routes that bypass middleware stacks. To kill shadow APIs, you must enforce strict routing hygiene and ensure every endpoint is bound to a security-hardened Party.
The Vulnerable Pattern
package mainimport “github.com/kataras/iris/v12”
func main() { app := iris.New()
// Documented Public API app.Get("/api/v1/status", func(ctx iris.Context) { ctx.WriteString("OK") }) // SHADOW API: Undocumented, no middleware, direct access to sensitive data // Often added for 'quick testing' and forgotten in production app.Get("/debug/config/export", func(ctx iris.Context) { ctx.JSON(iris.Map{"db_pass": "secret", "api_key": "12345"}) }) app.Listen(":8080")
}
The Secure Implementation
The fix involves three pillars: Grouping, Middleware Enforcement, and Visibility. By using 'app.Party', you force all nested routes to inherit security handlers (Auth, Rate Limiting, Logging). Never define routes at the root 'app' level unless they are intentional public entry points. Additionally, utilize Iris's routing reflection or a Swagger/OpenAPI generator to audit the route tree during CI/CD to ensure the 'live' API surface matches your documentation.
package mainimport “github.com/kataras/iris/v12”
func main() { app := iris.New()
// 1. Enforce a global security policy using Parties api := app.Party("/api/v1", authMiddleware) { api.Get("/status", getStatus) } // 2. Isolate internal tools and protect with strict IP/Auth filters internal := app.Party("/internal", adminMiddleware) { // Only accessible via authenticated admin session internal.Get("/config", exportConfig) } // 3. Catch-all for undocumented routes to prevent discovery app.OnErrorCode(iris.StatusNotFound, func(ctx iris.Context) { ctx.JSON(iris.Map{"error": "Invalid Endpoint"}) }) app.Listen(":8080")
}
Your Iris API
might be exposed to Shadow API Exposure
74% of Iris apps fail this check. Hackers use automated scanners to find this specific flaw. Check your codebase before they do.
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