diff --git a/src/main/java/org/ezcode/codetest/application/submission/service/SubmissionService.java b/src/main/java/org/ezcode/codetest/application/submission/service/SubmissionService.java
index 90507938..3216efb0 100644
--- a/src/main/java/org/ezcode/codetest/application/submission/service/SubmissionService.java
+++ b/src/main/java/org/ezcode/codetest/application/submission/service/SubmissionService.java
@@ -56,6 +56,11 @@ public class SubmissionService {
     private final GitHubPushService gitHubPushService;
 
     public SubmitResponse prepareSubmission(Long problemId, AuthUser authUser) {
+
+        if (authUser == null) {
+            throw new SubmissionException(SubmissionExceptionCode.AUTH_REQUIRED);
+        }
+
         boolean acquired = lockManager.tryLock("submission", authUser.getId(), problemId);
         if (!acquired) {
             throw new SubmissionException(SubmissionExceptionCode.ALREADY_JUDGING);
diff --git a/src/main/java/org/ezcode/codetest/common/security/util/SecurityPath.java b/src/main/java/org/ezcode/codetest/common/security/util/SecurityPath.java
index fefd066c..0555d87d 100644
--- a/src/main/java/org/ezcode/codetest/common/security/util/SecurityPath.java
+++ b/src/main/java/org/ezcode/codetest/common/security/util/SecurityPath.java
@@ -17,7 +17,7 @@ public class SecurityPath {
 		"/actuator/**",
 		"/chatting",
 		"/submit-test/**",
-		"/problems/**",
+		"/api/problems/**",
 		"/ws/**",
 		"/swagger-ui/**",
 		"/swagger-resources/**",
diff --git a/src/main/java/org/ezcode/codetest/domain/submission/exception/code/SubmissionExceptionCode.java b/src/main/java/org/ezcode/codetest/domain/submission/exception/code/SubmissionExceptionCode.java
index 50bf94b1..7383fa90 100644
--- a/src/main/java/org/ezcode/codetest/domain/submission/exception/code/SubmissionExceptionCode.java
+++ b/src/main/java/org/ezcode/codetest/domain/submission/exception/code/SubmissionExceptionCode.java
@@ -17,6 +17,7 @@ public enum SubmissionExceptionCode implements ResponseCode {
     TESTCASE_TIMEOUT(false, HttpStatus.GATEWAY_TIMEOUT, "테스트케이스 채점 시간이 초과되었습니다."),
     REDIS_SERVER_ERROR(false, HttpStatus.INTERNAL_SERVER_ERROR, "Redis 서버 연결 실패"),
     ALREADY_JUDGING(false, HttpStatus.CONFLICT, "이미 해당 문제에 대한 채점이 진행 중입니다."),
+    AUTH_REQUIRED(false, HttpStatus.UNAUTHORIZED, "로그인 후 이용해주세요."),
     UNKNOWN_ERROR(false, HttpStatus.INTERNAL_SERVER_ERROR, "알 수 없는 예외가 발생했습니다."),
     ;
     private final boolean success;