CVE-2026-57959

Hi.Events through 1.9.0 contains a promo code validation vulnerability where reservation validates usage count before asynchronous UpdateEventStatisticsJob increments it, allowing attackers to redeem limited promo codes unlimited times. Attackers can sequentially reserve multiple orders with the...

EUVD-2026-40144

Hi.Events through 1.9.0 contains a promo code validation vulnerability where reservation validates usage count before asynchronous UpdateEventStatisticsJob increments it, allowing attackers to redeem limited promo codes unlimited times. Attackers can sequentially reserve multiple orders with the...

EUVD-2026-10920

Sylius has a Promotion Usage Limit Bypass via Race Condition...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview sylius/sylius is a platform for PHP, based on Symfony framework. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition through a race condition in the promotion and coupon usage limit enforcement process. An attacker can redeem limited-use...