CVE-2026-57959: Hi.Events 0 through 1.9.0

CVE-2026-57959. CVSS 3.1 base score 5.9 (MEDIUM, Vendor/CNA). EPSS 0.00256 (percentile 0.17096), scored 25-Oct-2026.

Affected technology

Hi.Events · 0 through 1.9.0
HiEventsDev

Description’s affected range: through 1.9.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

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. Vendor/CNA’s CVSS 4.0 assessment (base score 8.2/10) rates confidentiality and availability impact as none; integrity impact as high.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-367
CCR priority: 23.7 /100 (P4)
CVSS 3.1: 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N · Vendor/CNA
EPSS: 0.00256 · percentile 0.17096 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-57959.html