CVE-2026-13229: Zammad

High severity, CVSS 7.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint.

Affected products

• Zammad Zammad: up to and including 7.0.1

Published 2026-08-04. Last modified 2026-08-28.