CVE-2026-57705: Nexcess Event Tickets

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Nexcess Event Tickets event-tickets allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Event Tickets: from n/a through <= 5.28.5.

Affected products

• Nexcess Event Tickets: up to and including 5.28.5

Published 2026-07-13. Last modified 2026-07-13.