CVE-2026-34248

MEDIUM

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

Title source: cna

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.

References (1)

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

Scores

CVSS v3 5.7

EPSS 0.0003

EPSS Percentile 8.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (2)

zammad/zammad 7.0.0

zammad/zammad >= 7.0.0, < 7.0.1

Published Apr 08, 2026

Tracked Since Apr 09, 2026