CVE-2026-86405 [CRITICAL] – Improper verification of cryptographic signature vulnerability in Sipay Electronic Money a

Improper verification of cryptographic signature vulnerability in Sipay Electronic Money and Payment Services Inc. PrestaShop Virtual POS Module allows Signature Spoofing by Improper Validation.

This issue affects PrestaShop Virtual POS Module: from 26.8.1 before 26.9.1.