CVE-2026-34721
Zammad has Cross-site request forgery (CSRF) in OAuth callback endpoints
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
5th
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.
| CWE | CWE-352 |
| Vendor | zammad |
| Product | zammad |
| Published | Apr 8, 2026 |
| Last Updated | Apr 9, 2026 |
Stay Ahead of the Next One
Get instant alerts for zammad zammad
Be the first to know when new unknown vulnerabilities affecting zammad zammad are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
zammad / zammad
< 6.5.4 >= 7.0.0-alpha, < 7.0.1