diff --git a/src/main/java/com/klaroworks/runtime/exception/ErrorCode.java b/src/main/java/com/klaroworks/runtime/exception/ErrorCode.java
new file mode 100644
index 0000000..850b044
--- /dev/null
+++ b/src/main/java/com/klaroworks/runtime/exception/ErrorCode.java
@@ -0,0 +1,26 @@
+package com.klaroworks.runtime.exception;
+
+import org.springframework.http.HttpStatus;
+
+public enum ErrorCode {
+    INTERNAL_SERVER_ERROR("COMMON_001", "내부 서버 오류가 발생했습니다.", HttpStatus.INTERNAL_SERVER_ERROR),
+    INVALID_REQUEST("COMMON_002", "잘못된 요청입니다.", HttpStatus.BAD_REQUEST),
+    ROLE_NOT_FOUND("ROLE_001", "요청한 역할을 찾을 수 없습니다.", HttpStatus.NOT_FOUND),
+    DUPLICATE_ROLE_NAME("ROLE_002", "이미 존재하는 역할 이름입니다.", HttpStatus.CONFLICT),
+    PERMISSION_NOT_FOUND("PERM_001", "요청한 권한을 찾을 수 없습니다.", HttpStatus.NOT_FOUND),
+    PERMISSION_DENIED("PERM_002", "해당 작업에 대한 권한이 없습니다.", HttpStatus.FORBIDDEN);
+    
+    private final String code;
+    private final String message;
+    private final HttpStatus httpStatus;
+    
+    ErrorCode(String code, String message, HttpStatus httpStatus) {
+        this.code = code;
+        this.message = message;
+        this.httpStatus = httpStatus;
+    }
+    
+    public String getCode() { return code; }
+    public String getMessage() { return message; }
+    public HttpStatus getHttpStatus() { return httpStatus; }
+}