CVE-2026-34723

HIGH

Zammad has incorrect access control in getting_started_controller

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0044
EPSS Percentile 35.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (3)
zammad/zammad 7.0.0
zammad/zammad < 6.5.4 (2 CPE variants)
zammad/zammad >= 7.0.0-alpha, < 7.0.1
Published Apr 08, 2026
Tracked Since Apr 09, 2026