What’s Vulnerable › Vulnerabilities
CVE-2026-34723: Zammad has incorrect access control in getting_started_controller
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-08 · updated 2026-07-24
- Weakness: CWE-284
Description
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, unauthenticated remote attackers were able to access the getting started endpoint to get access to sensitive internal entity data, even after the system setup was completed. This vulnerability is fixed in 7.0.1 and 6.5.4.
Affected products
- zammad: before 6.5.4; 7.0.0 — fixed in 6.5.4
How to fix
Upgrade to a fixed version: zammad 6.5.4. Check the vendor advisory for mitigations.
References
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