CVE-2026-57959
Hi.Events 1.9.0 - Promo Code Max-Usage Bypass via Asynchronous Job Race Condition
Vexday Risk Score
18Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 8.2EPSS —KEV nãoPoC —Nuclei —Metasploit —Patch —
Ciclo de vida
29 jun 2026Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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 same restricted promo code, each reading order_usage_count=0 and passing validation, then complete them all at discounted prices without concurrent requests.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Productos afectados
HiEventsDev · Hi.Events¿Quieres saber si tu infraestructura está expuesta a esto?
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