CVE-2026-34248

Zammad has an information disclosure in ticket detail view of customers in shared organizations

State: Published
Severity: 2.1 Low
Published: Apr 8, 2026
Updated: Apr 9, 2026
Reserved: Mar 26, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	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	GitHub_M

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
zammadzammad	>= 7.0.0, < 7.0.1Affected

References

https://github.com/zammad/zammad/security/advisories/GHSA-prww-84vh-w978

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