CVE-2026-34721
Zammad is a web based open source helpdesk/customer support system.
Published Apr 8, 2026 · updated Jul 24, 2026 · zammad zammad
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.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 8, 2026 · NIST NVD
Detected
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.
Jul 24, 2026 · NIST NVD
Updated
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
- cpe zammad/zammadversion unspecified
- cpe zammad/zammad7.0.0
Sources
- CVE.orgVulnerability recordCVE-2026-34721
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-34721
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.
nvd.nist.gov