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CVE-2026-34721

MEDIUM CVSS: 6.5 Published: 2026-04-08 Modified: 2026-07-24

Description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 and 6.5.4.

Affected Platforms

Zammad Zammad

Weakness Type

CWE-352

References