AWS Security ChangesHomeSearch

AWS cognito documentation change

Service: cognito · 2025-07-25 · Documentation low

File: cognito/latest/developerguide/user-pool-email.md

Summary

Updated email template customization options, added OTP authentication details, and clarified feature plan requirements

Security assessment

Change documents security-adjacent features like customizable MFA/verification messages and feature plan requirements for email delivery. While it adds security-related documentation, there is no evidence of addressing a specific vulnerability.

Diff

diff --git a/cognito/latest/developerguide/user-pool-email.md b/cognito/latest/developerguide/user-pool-email.md
index fea15f76a..29b847e72 100644
--- a//cognito/latest/developerguide/user-pool-email.md
+++ b//cognito/latest/developerguide/user-pool-email.md
@@ -26 +26 @@ Amazon Cognito sends email messages to your users with either a code that they c
-Activity | API operation | Delivery options | Format options | Customizable | Message template  
+Activity | API operation | Delivery options | Format options | Customizable | [Message template](./cognito-user-pool-settings-message-customizations.html)  
@@ -28 +28 @@ Activity | API operation | Delivery options | Format options | Customizable | Me
-Forgot password | [ForgotPassword](https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_ForgotPassword.html), [AdminResetUserPassword](https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_AdminResetUserPassword.html) | Email, SMS | code | No | N/A  
+Forgot password | [ForgotPassword](https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_ForgotPassword.html), [AdminResetUserPassword](https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_AdminResetUserPassword.html) | Email, SMS | code | Yes | **Verification message**  
@@ -32,0 +33 @@ Multi-factor authentication (MFA) | [AdminInitiateAuth](https://docs.aws.amazon.
+One-time password authentication (OTP) | [AdminInitiateAuth](https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_AdminInitiateAuth.html), [InitiateAuth](https://docs.aws.amazon.com/cognito-user-identity-pools/latest/APIReference/API_InitiateAuth.html) | Email¹, SMS | code | Yes | **MFA message** ³  
@@ -34 +35 @@ Multi-factor authentication (MFA) | [AdminInitiateAuth](https://docs.aws.amazon.
-¹ Requires advanced security features and Amazon SES email configuration. 
+¹ Requires Essentials [feature plan](./cognito-sign-in-feature-plans.html) or higher and Amazon SES email configuration. 
@@ -37,0 +39,2 @@ Multi-factor authentication (MFA) | [AdminInitiateAuth](https://docs.aws.amazon.
+³ You can only customize the MFA message template when MFA is required or optional in your user pool. When MFA is inactive, Amazon Cognito sends one-time passwords with the default template.
+
@@ -228,0 +232,8 @@ Your sending authorization policy in the user pool Region or alternate Region mu
+JSON
+
+JSON
+    
+
+****
+    
+    
@@ -264,0 +277,8 @@ Your sending authorization policy in each of the alternate Regions must permit t
+JSON
+
+JSON
+    
+
+****
+    
+