All Mercado Pago codes
MERCADO PAGO · STATUS_DETAIL

Mercado Pago
cc_rejected_bad_filled_security_code

Check card security code.

Mercado Pago saysSoft decline
cc_rejected_bad_filled_security_code

Check card security code.

What it means

Wrong security code

The CVV/CVC entered does not match what the issuer has on file.

What to do

Ask the shopper to re-enter the code. Cap the number of attempts to avoid card-testing abuse.

Worth retryingWho can fix it: The shopper
Yuno response codeINVALID_SECURITY_CODE
Source:Mercado Pago docs — Checkout API (Payments): Get payment status

Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.