How To Fix REST_CORE_TEXTS006 - CSRF token validation failed

SAP Error Message - Details

• Message type: E = Error

• Message class: REST_CORE_TEXTS -

• Message number: 006

• Message text: CSRF token validation failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message REST_CORE_TEXTS006 - CSRF token validation failed ?

  The error message "REST_CORE_TEXTS006 CSRF token validation failed" in SAP typically indicates that there is an issue with the Cross-Site Request Forgery (CSRF) token validation during a REST API call. CSRF tokens are used to protect against unauthorized actions on behalf of a user, and this error suggests that the token being sent with the request is either missing, invalid, or expired.
  Causes:
  
  Missing CSRF Token: The request does not include a CSRF token, which is required for state-changing operations (like POST, PUT, DELETE).
  Invalid CSRF Token: The token included in the request does not match the expected token on the server side.
  Expired CSRF Token: The token has expired, which can happen if there is a long delay between obtaining the token and making the request.
  Session Issues: If the user session has expired or if there are issues with session management, the CSRF token may not be valid.
  Incorrect HTTP Method: Some methods may require a CSRF token while others do not. If the method is not appropriate for the operation being performed, it may lead to this error.
  
  Solutions:
  
  
  Obtain a New CSRF Token: Before making a state-changing request, ensure that you first make a GET request to the relevant endpoint to obtain a new CSRF token. The token is usually returned in the response headers (e.g., x-csrf-token).
  Example:
  GET /your/api/endpoint HTTP/1.1
  Host: your.sap.server
  The response will include the CSRF token in the headers.
  
  
  Include the CSRF Token in Your Request: When making a POST, PUT, or DELETE request, include the CSRF token in the headers of your request.
  Example:
  POST /your/api/endpoint HTTP/1.1
  Host: your.sap.server
  x-csrf-token: <your_csrf_token>
  
  
  Check Session Validity: Ensure that the user session is still valid. If the session has expired, re-authenticate the user to obtain a new session and CSRF token.
  
  
  Review API Documentation: Check the API documentation for any specific requirements regarding CSRF token handling, including the expected HTTP methods and headers.
  
  
  Debugging: If the issue persists, use debugging tools (like Postman or browser developer tools) to inspect the requests and responses, ensuring that the CSRF token is being sent correctly and that the server is responding as expected.
  
  
  Related Information:
  
  CSRF Protection: Understanding how CSRF protection works in SAP and the importance of CSRF tokens in securing web applications.
  SAP API Documentation: Refer to the official SAP API documentation for specific details on how to handle CSRF tokens for the APIs you are working with.
  Error Handling: Implement error handling in your application to gracefully manage CSRF token validation errors and provide feedback to users.
  
  By following these steps, you should be able to resolve the "CSRF token validation failed" error in SAP.