diff --git a/src/routes/api/script.ts b/src/routes/api/script.ts
index 6907a5d9c..a289dc565 100644
--- a/src/routes/api/script.ts
+++ b/src/routes/api/script.ts
@@ -33,8 +33,11 @@ async function exec(req: Request) {
             executionResult: result,
             maxEntityChangeId: syncService.getMaxEntityChangeId()
         };
-    } catch (e: any) {
-        return { success: false, error: e.message };
+    } catch (e: unknown) {
+        return {
+            success: false,
+            error: (e instanceof Error) ? e.message : "Unknown Error"
+        };
     }
 }
 
diff --git a/src/routes/api/sql.ts b/src/routes/api/sql.ts
index ed440f42d..a9876b657 100644
--- a/src/routes/api/sql.ts
+++ b/src/routes/api/sql.ts
@@ -56,10 +56,10 @@ function execute(req: Request) {
             success: true,
             results
         };
-    } catch (e: any) {
+    } catch (e: unknown) {
         return {
             success: false,
-            error: e.message
+            error: (e instanceof Error) ? e.message : "Unknown Error"
         };
     }
 }
diff --git a/src/routes/api/sync.ts b/src/routes/api/sync.ts
index 736e1e97b..8e186f92a 100644
--- a/src/routes/api/sync.ts
+++ b/src/routes/api/sync.ts
@@ -30,10 +30,10 @@ async function testSync() {
         syncService.sync();
 
         return { success: true, message: t("test_sync.successful") };
-    } catch (e: any) {
+    } catch (e: unknown) {
         return {
             success: false,
-            message: e.message
+            error: (e instanceof Error) ? e.message : "Unknown Error"
         };
     }
 }
diff --git a/src/routes/assets.ts b/src/routes/assets.ts
index 37585d8d7..a26c22685 100644
--- a/src/routes/assets.ts
+++ b/src/routes/assets.ts
@@ -5,7 +5,7 @@ import express from "express";
 import { isDev, isElectron } from "../services/utils.js";
 import type serveStatic from "serve-static";
 
-const persistentCacheStatic = (root: string, options?: serveStatic.ServeStaticOptions<express.Response<any, Record<string, any>>>) => {
+const persistentCacheStatic = (root: string, options?: serveStatic.ServeStaticOptions<express.Response<unknown, Record<string, unknown>>>) => {
     if (!isDev) {
         options = {
             maxAge: "1y",
diff --git a/src/routes/routes.ts b/src/routes/routes.ts
index ad1850aca..227b10d3c 100644
--- a/src/routes/routes.ts
+++ b/src/routes/routes.ts
@@ -477,7 +477,7 @@ function route(method: HttpMethod, path: string, middleware: express.Handler[],
 
             if (result?.then) {
                 // promise
-                result.then((promiseResult: unknown) => handleResponse(resultHandler, req, res, promiseResult, start)).catch((e: any) => handleException(e, method, path, res));
+                result.then((promiseResult: unknown) => handleResponse(resultHandler, req, res, promiseResult, start)).catch((e: unknown) => handleException(e, method, path, res));
             } else {
                 handleResponse(resultHandler, req, res, result, start);
             }