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OpenAdvisories
Medium · 5.3 CVE-2026-56732 EUVD-2026-87219

Zammad: Malicious input in Ticket Body Enables Session Termination

Published Sep 25, 2026 · Updated Sep 25, 2026 · Assigned by GitHub_M

Description

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

VendorProductAffectedFixed
zammad zammad < 7.0.2 —

Advisories 1

References