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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-34721

Zammad has Cross-site request forgery (CSRF) in OAuth callback endpoints

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

zammad zammad

  • < 6.5.4affected
  • >= 7.0.0-alpha, < 7.0.1affected

References