From 34e4dc166652356772b414c7d263cfca9bef32cf Mon Sep 17 00:00:00 2001
From: coxxny <coxxny@gmail.com>
Date: Tue, 28 Jul 2026 08:59:02 +0900
Subject: [PATCH 1/2] fix(common): exclude pipe options from validator options

---
 packages/common/pipes/validation.pipe.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/common/pipes/validation.pipe.ts b/packages/common/pipes/validation.pipe.ts
index 3cd36769888..654e6c84791 100644
--- a/packages/common/pipes/validation.pipe.ts
+++ b/packages/common/pipes/validation.pipe.ts
@@ -68,6 +68,9 @@ export class ValidationPipe implements PipeTransform<any> {
       errorHttpStatusCode,
       expectedType,
       transformOptions,
+      exceptionFactory,
+      validatorPackage,
+      transformerPackage,
       validateCustomDecorators,
       ...validatorOptions
     } = options;
@@ -81,11 +84,10 @@ export class ValidationPipe implements PipeTransform<any> {
     this.validateCustomDecorators = validateCustomDecorators || false;
     this.errorHttpStatusCode = errorHttpStatusCode || HttpStatus.BAD_REQUEST;
     this.expectedType = expectedType;
-    this.exceptionFactory =
-      options.exceptionFactory || this.createExceptionFactory();
+    this.exceptionFactory = exceptionFactory || this.createExceptionFactory();
 
-    classValidator = this.loadValidator(options.validatorPackage);
-    classTransformer = this.loadTransformer(options.transformerPackage);
+    classValidator = this.loadValidator(validatorPackage);
+    classTransformer = this.loadTransformer(transformerPackage);
   }
 
   protected loadValidator(

From 1e11696f41a1b4a4a09dc6cfc3d188553c0047e8 Mon Sep 17 00:00:00 2001
From: coxxny <coxxny@gmail.com>
Date: Thu, 30 Jul 2026 10:17:37 +0900
Subject: [PATCH 2/2] fix(common): added test for #17398

---
 .../common/test/pipes/validation.pipe.spec.ts | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/packages/common/test/pipes/validation.pipe.spec.ts b/packages/common/test/pipes/validation.pipe.spec.ts
index 3d54bf282dc..86de2593ea2 100644
--- a/packages/common/test/pipes/validation.pipe.spec.ts
+++ b/packages/common/test/pipes/validation.pipe.spec.ts
@@ -738,4 +738,32 @@ describe('ValidationPipe', () => {
       });
     });
   });
+  describe('Issue #17398: when only ValidationPipe-specific options are provided', () => {
+    it('should return the original value when exceptionFactory is provided', async () => {
+      target = new ValidationPipe({
+        exceptionFactory: () => new Error('custom'),
+      });
+      const testObj = { prop1: 'value1', prop2: 'value2' };
+      const result = await target.transform(testObj, metadata);
+      expect(result).to.equal(testObj);
+    });
+
+    it('should return the original value when validatorPackage is provided', async () => {
+      target = new ValidationPipe({
+        validatorPackage: require('class-validator'),
+      });
+      const testObj = { prop1: 'value1', prop2: 'value2' };
+      const result = await target.transform(testObj, metadata);
+      expect(result).to.equal(testObj);
+    });
+
+    it('should return the original value when transformerPackage is provided', async () => {
+      target = new ValidationPipe({
+        transformerPackage: require('class-transformer'),
+      });
+      const testObj = { prop1: 'value1', prop2: 'value2' };
+      const result = await target.transform(testObj, metadata);
+      expect(result).to.equal(testObj);
+    });
+  });
 });