diff --git a/src/app/[locale]/(protected)/accounting/vendors/[id]/page.tsx b/src/app/[locale]/(protected)/accounting/vendors/[id]/page.tsx
index 4d4591a7..c9435d70 100644
--- a/src/app/[locale]/(protected)/accounting/vendors/[id]/page.tsx
+++ b/src/app/[locale]/(protected)/accounting/vendors/[id]/page.tsx
@@ -8,6 +8,7 @@ export default function VendorDetailPage() {
   const searchParams = useSearchParams();
   const vendorId = params.id as string;
   const mode = searchParams.get('mode') === 'edit' ? 'edit' : 'view';
+  const openModal = searchParams.get('modal');
 
-  return <VendorDetail mode={mode} vendorId={vendorId} />;
+  return <VendorDetail mode={mode} vendorId={vendorId} openModal={openModal} />;
 }
\ No newline at end of file
diff --git a/src/components/accounting/VendorManagement/VendorDetail.tsx b/src/components/accounting/VendorManagement/VendorDetail.tsx
index 64dd70b2..5dae3b90 100644
--- a/src/components/accounting/VendorManagement/VendorDetail.tsx
+++ b/src/components/accounting/VendorManagement/VendorDetail.tsx
@@ -51,6 +51,8 @@ import {
 interface VendorDetailProps {
   mode: 'view' | 'edit' | 'new';
   vendorId?: string;
+  /** URL 쿼리 파라미터로 전달된 모달 타입 (예: 'credit') */
+  openModal?: string | null;
 }
 
 // 빈 Vendor 데이터 (신규 등록용)
@@ -92,7 +94,7 @@ const getEmptyVendor = (): Omit<Vendor, 'id' | 'createdAt' | 'updatedAt'> => ({
   memos: [],
 });
 
-export function VendorDetail({ mode, vendorId }: VendorDetailProps) {
+export function VendorDetail({ mode, vendorId, openModal }: VendorDetailProps) {
   const router = useRouter();
   const isViewMode = mode === 'view';
   const isNewMode = mode === 'new';
@@ -149,6 +151,13 @@ export function VendorDetail({ mode, vendorId }: VendorDetailProps) {
   // 신용분석 모달
   const [isCreditModalOpen, setIsCreditModalOpen] = useState(false);
 
+  // URL 쿼리 파라미터로 모달 자동 오픈 (알람에서 접근 시)
+  useEffect(() => {
+    if (openModal === 'credit' && !isLoading) {
+      setIsCreditModalOpen(true);
+    }
+  }, [openModal, isLoading]);
+
   // Validation 함수
   const validateForm = useCallback(() => {
     const errors: Record<string, string> = {};