CVE-2026-56732: Zammad

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, vulnerability in Zammad's HTML sanitization allows injection of specific HTML elements into ticket bodies. When another user views the crafted ticket, the injected element can trigger a logout request, terminating the viewer's session. This vulnerability is fixed in 7.0.2.

Affected products

• Zammad Zammad: before 7.0.2 (fixed in 7.0.2)

Published 2026-09-25. Last modified 2026-09-28.