CVE-2026-34723
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Zammad
PublishedApr 8, 2026
First seenApr 8, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- zammad zammad6.5.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zammad zammad | v < 6.5.4, 7.0.0 | 6.5.4 |
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