diff --git a/web/src/main/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilter.java b/web/src/main/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilter.java
index a941cfeb592..d03070f87d5 100644
--- a/web/src/main/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilter.java
+++ b/web/src/main/java/org/springframework/security/web/authentication/UsernamePasswordAuthenticationFilter.java
@@ -124,6 +124,7 @@ protected String obtainUsername(HttpServletRequest request) {
 	 */
 	protected void setDetails(HttpServletRequest request, UsernamePasswordAuthenticationToken authRequest) {
 		authRequest.setDetails(this.authenticationDetailsSource.buildDetails(request));
+		request.setAttribute("authRequest", authRequest);
 	}
 
 	/**