CVE-2026-34248 LOW

CVE-2026-34248: Zammad has an information disclosure in ticket detail view of customers in shared organizations

Vendor Zammad
Product zammad
Weakness CWE-284
Published April 8, 2026
Last update April 9, 2026

CVSS base score

2.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, customers in shared organizations (means they can see each other's tickets) could see fields which are not intended for customers - including fields not intended for them at all (e.g. priority, custom ticket attributes for internal purposes). This was the case when a customer opened a ticket from another user of the same shared organization. They are not able to modify these field. This vulnerability is fixed in 7.0.1.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
April 9, 2026 Record updated