CVE-2026-63204: Zammad

Low severity, CVSS 2.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, an authenticated user with agent permissions can supply an arbitrary AI analytics run identifier to the ticket summarize endpoint and receive the AI provider error message stored for that run, even if the run belongs to a ticket the agent is not authorized to access. The disclosure is limited to the provider error string; ticket content is not exposed. This issue is fixed in version 7.1.2.

Affected products

• Zammad Zammad: before 7.1.2 (fixed in 7.1.2)

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