diff --git a/server/src/api/middleware/handleErrors.ts b/server/src/api/middleware/handleErrors.ts
index 2f817b2af..239349b90 100755
--- a/server/src/api/middleware/handleErrors.ts
+++ b/server/src/api/middleware/handleErrors.ts
@@ -7,8 +7,7 @@ import { AppError } from "@/utils/AppError.js";
 const multerErrorStatus = (error: MulterError): number => (error.code === "LIMIT_FILE_SIZE" ? 413 : 400);
 
 const handleErrors = (error: unknown, req: Request, res: Response, _next: NextFunction) => {
-	const status =
-		error instanceof MulterError ? multerErrorStatus(error) : error instanceof AppError ? error.status || 500 : 500;
+	const status = error instanceof MulterError ? multerErrorStatus(error) : error instanceof AppError ? error.status || 500 : 500;
 	const message = error instanceof AppError ? error.message : error instanceof Error ? error.message : "Server error";
 	const service = error instanceof AppError ? error.service : error instanceof MulterError ? "uploadMiddleware" : "unknownService";
 	const method = error instanceof AppError ? error.method : "unknownMethod";
diff --git a/server/src/api/routes/authRoute.ts b/server/src/api/routes/authRoute.ts
index e8ed31f2e..3b202a502 100644
--- a/server/src/api/routes/authRoute.ts
+++ b/server/src/api/routes/authRoute.ts
@@ -30,7 +30,13 @@ class AuthRoutes {
 		this.router.patch("/users/:userId/password", verifyJWT, isAllowed(["superadmin"]), this.authController.editUserPasswordById);
 		this.router.delete("/users/:userId", verifyJWT, isAllowed(["admin", "superadmin"]), this.authController.deleteUserById);
 
-		this.router.patch("/user", verifyJWT, imageUpload.single("profileImage"), isAllowed(["admin", "superadmin", "user"]), this.authController.editUser);
+		this.router.patch(
+			"/user",
+			verifyJWT,
+			imageUpload.single("profileImage"),
+			isAllowed(["admin", "superadmin", "user"]),
+			this.authController.editUser
+		);
 		this.router.delete("/user", verifyJWT, isAllowed(["admin", "superadmin", "user"]), this.authController.deleteUser);
 	}
 
diff --git a/server/src/app.ts b/server/src/app.ts
index 3bafd4aec..907c0f77d 100644
--- a/server/src/app.ts
+++ b/server/src/app.ts
@@ -1,6 +1,6 @@
 import express from "express";
 import path from "path";
-import cors from "cors";
+import cors, { type CorsOptions } from "cors";
 import helmet from "helmet";
 import compression from "compression";
 import cookieParser from "cookie-parser";
@@ -30,12 +30,12 @@ export const createApp = ({
 }) => {
 	const allowedOrigin = envSettings.clientHost;
 	const app = express();
-	const defaultCorsOptions = {
+	const defaultCorsOptions: CorsOptions = {
 		origin: allowedOrigin,
 		methods: "GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS",
 		allowedHeaders: ["Content-Type", "Authorization", "Accept-Language"],
 		credentials: true,
-	} as const;
+	};
 	const publicStatusPageCorsOrigin = createStatusPageCorsOrigin(allowedOrigin, services.statusPagesRepository);
 
 	app.use(generalApiLimiter);
diff --git a/server/test/unit/middleware/upload.test.ts b/server/test/unit/middleware/upload.test.ts
index bbdfb205c..dc172d3da 100644
--- a/server/test/unit/middleware/upload.test.ts
+++ b/server/test/unit/middleware/upload.test.ts
@@ -6,10 +6,9 @@ import { AppError } from "../../../src/utils/AppError.ts";
 
 // Reaches into the multer instance config to exercise the fileFilter/limits in isolation.
 // Guards against regressing GHSA-9xvg-x28f-m78m (pre-auth DoS via unbounded uploads).
-const config = (imageUpload as unknown as { fileFilter: Function; limits: { fileSize: number; files: number } });
+const config = imageUpload as unknown as { fileFilter: Function; limits: { fileSize: number; files: number } };
 
-const makeFile = (mimetype: string): Express.Multer.File =>
-	({ fieldname: "profileImage", originalname: "x", mimetype }) as Express.Multer.File;
+const makeFile = (mimetype: string): Express.Multer.File => ({ fieldname: "profileImage", originalname: "x", mimetype }) as Express.Multer.File;
 
 const runFilter = (mimetype: string): Promise<{ error: unknown; accepted: unknown }> =>
 	new Promise((resolve) => {