diff --git a/oidc-service-impl/src/main/java/io/mosip/esignet/services/AuthorizationServiceImpl.java b/oidc-service-impl/src/main/java/io/mosip/esignet/services/AuthorizationServiceImpl.java
index 1113638ea..f7f826bd4 100644
--- a/oidc-service-impl/src/main/java/io/mosip/esignet/services/AuthorizationServiceImpl.java
+++ b/oidc-service-impl/src/main/java/io/mosip/esignet/services/AuthorizationServiceImpl.java
@@ -341,12 +341,11 @@ public CompleteSignupRedirectResponse completeSignupRedirect(CompleteSignupRedir
     }
 
     //As pathFragment is included in the response header, we should sanitize the input to mitigate
-    //response splitting vulnerability
+    //response splitting vulnerability. Removed all whitespace characters
     private String sanitizePathFragment(String pathFragment) {
-        return pathFragment.replaceAll("[\r\n]", "");
+        return pathFragment.replaceAll("\\s", "");
     }
 
-
     private OIDCTransaction authenticate(AuthRequest authRequest, boolean checkConsentAction, HttpServletRequest httpServletRequest) {
         OIDCTransaction transaction = cacheUtilService.getPreAuthTransaction(authRequest.getTransactionId());
         if(transaction == null)